edition: initial 'cargo fix --edition' run

crates/cli/src/decompress.rs

@@ -6,7 +6,7 @@ use std::process::Command;
 
 use globset::{Glob, GlobSet, GlobSetBuilder};
 
-use process::{CommandError, CommandReader, CommandReaderBuilder};
+use crate::process::{CommandError, CommandReader, CommandReaderBuilder};
 
 /// A builder for a matcher that determines which files get decompressed.
 #[derive(Clone, Debug)]

crates/cli/src/lib.rs

@@ -178,18 +178,18 @@ mod pattern;
 mod process;
 mod wtr;
 
-pub use decompress::{
+pub use crate::decompress::{
     resolve_binary, DecompressionMatcher, DecompressionMatcherBuilder,
     DecompressionReader, DecompressionReaderBuilder,
 };
-pub use escape::{escape, escape_os, unescape, unescape_os};
+pub use crate::escape::{escape, escape_os, unescape, unescape_os};
-pub use human::{parse_human_readable_size, ParseSizeError};
+pub use crate::human::{parse_human_readable_size, ParseSizeError};
-pub use pattern::{
+pub use crate::pattern::{
     pattern_from_bytes, pattern_from_os, patterns_from_path,
     patterns_from_reader, patterns_from_stdin, InvalidPatternError,
 };
-pub use process::{CommandError, CommandReader, CommandReaderBuilder};
+pub use crate::process::{CommandError, CommandReader, CommandReaderBuilder};
-pub use wtr::{
+pub use crate::wtr::{
     stdout, stdout_buffered_block, stdout_buffered_line, StandardStream,
 };
 

crates/cli/src/pattern.rs

@@ -8,7 +8,7 @@ use std::str;
 
 use bstr::io::BufReadExt;
 
-use escape::{escape, escape_os};
+use crate::escape::{escape, escape_os};
 
 /// An error that occurs when a pattern could not be converted to valid UTF-8.
 ///

crates/cli/src/process.rs

@@ -116,7 +116,7 @@ impl CommandReaderBuilder {
             .stderr(process::Stdio::piped())
             .spawn()?;
         let stderr = if self.async_stderr {
-            StderrReader::async(child.stderr.take().unwrap())
+            StderrReader::r#async(child.stderr.take().unwrap())
         } else {
             StderrReader::sync(child.stderr.take().unwrap())
         };
@@ -285,7 +285,7 @@ enum StderrReader {
 
 impl StderrReader {
     /// Create a reader for stderr that reads contents asynchronously.
-    fn async(mut stderr: process::ChildStderr) -> StderrReader {
+    fn r#async(mut stderr: process::ChildStderr) -> StderrReader {
         let handle =
             thread::spawn(move || stderr_to_command_error(&mut stderr));
         StderrReader::Async(Some(handle))

crates/cli/src/wtr.rs

@@ -2,7 +2,7 @@ use std::io;
 
 use termcolor;
 
-use is_tty_stdout;
+use crate::is_tty_stdout;
 
 /// A writer that supports coloring with either line or block buffering.
 pub struct StandardStream(StandardStreamKind);

crates/globset/src/glob.rs

@@ -8,7 +8,7 @@ use std::str;
 use regex;
 use regex::bytes::Regex;
 
-use {new_regex, Candidate, Error, ErrorKind};
+use crate::{new_regex, Candidate, Error, ErrorKind};
 
 /// Describes a matching strategy for a particular pattern.
 ///
@@ -1015,7 +1015,7 @@ fn ends_with(needle: &[u8], haystack: &[u8]) -> bool {
 mod tests {
     use super::Token::*;
     use super::{Glob, GlobBuilder, Token};
-    use {ErrorKind, GlobSetBuilder};
+    use crate::{ErrorKind, GlobSetBuilder};
 
     #[derive(Clone, Copy, Debug, Default)]
     struct Options {

crates/globset/src/lib.rs

@@ -125,9 +125,9 @@ use aho_corasick::AhoCorasick;
 use bstr::{ByteSlice, ByteVec, B};
 use regex::bytes::{Regex, RegexBuilder, RegexSet};
 
-use glob::MatchStrategy;
+use crate::glob::MatchStrategy;
-pub use glob::{Glob, GlobBuilder, GlobMatcher};
+pub use crate::glob::{Glob, GlobBuilder, GlobMatcher};
-use pathutil::{file_name, file_name_ext, normalize_path};
+use crate::pathutil::{file_name, file_name_ext, normalize_path};
 
 mod glob;
 mod pathutil;
@@ -841,7 +841,7 @@ impl RequiredExtensionStrategyBuilder {
 #[cfg(test)]
 mod tests {
     use super::{GlobSet, GlobSetBuilder};
-    use glob::Glob;
+    use crate::glob::Glob;
 
     #[test]
     fn set_works() {

crates/ignore/src/dir.rs

@@ -20,12 +20,12 @@ use std::io::{self, BufRead};
 use std::path::{Path, PathBuf};
 use std::sync::{Arc, RwLock};
 
-use gitignore::{self, Gitignore, GitignoreBuilder};
+use crate::gitignore::{self, Gitignore, GitignoreBuilder};
-use overrides::{self, Override};
+use crate::overrides::{self, Override};
-use pathutil::{is_hidden, strip_prefix};
+use crate::pathutil::{is_hidden, strip_prefix};
-use types::{self, Types};
+use crate::types::{self, Types};
-use walk::DirEntry;
+use crate::walk::DirEntry;
-use {Error, Match, PartialErrorBuilder};
+use crate::{Error, Match, PartialErrorBuilder};
 
 /// IgnoreMatch represents information about where a match came from when using
 /// the `Ignore` matcher.
@@ -840,10 +840,10 @@ mod tests {
     use std::io::Write;
     use std::path::Path;
 
-    use dir::IgnoreBuilder;
+    use crate::dir::IgnoreBuilder;
-    use gitignore::Gitignore;
+    use crate::gitignore::Gitignore;
-    use tests::TempDir;
+    use crate::tests::TempDir;
-    use Error;
+    use crate::Error;
 
     fn wfile<P: AsRef<Path>>(path: P, contents: &str) {
         let mut file = File::create(path).unwrap();

crates/ignore/src/gitignore.rs

@@ -19,8 +19,8 @@ use globset::{Candidate, GlobBuilder, GlobSet, GlobSetBuilder};
 use regex::bytes::Regex;
 use thread_local::ThreadLocal;
 
-use pathutil::{is_file_name, strip_prefix};
+use crate::pathutil::{is_file_name, strip_prefix};
-use {Error, Match, PartialErrorBuilder};
+use crate::{Error, Match, PartialErrorBuilder};
 
 /// Glob represents a single glob in a gitignore file.
 ///

crates/ignore/src/lib.rs

@@ -64,7 +64,7 @@ use std::fmt;
 use std::io;
 use std::path::{Path, PathBuf};
 
-pub use walk::{
+pub use crate::walk::{
     DirEntry, ParallelVisitor, ParallelVisitorBuilder, Walk, WalkBuilder,
     WalkParallel, WalkState,
 };

crates/ignore/src/overrides.rs

@@ -6,8 +6,8 @@ line tools.
 
 use std::path::Path;
 
-use gitignore::{self, Gitignore, GitignoreBuilder};
+use crate::gitignore::{self, Gitignore, GitignoreBuilder};
-use {Error, Match};
+use crate::{Error, Match};
 
 /// Glob represents a single glob in an override matcher.
 ///

crates/ignore/src/pathutil.rs

@@ -1,7 +1,7 @@
 use std::ffi::OsStr;
 use std::path::Path;
 
-use walk::DirEntry;
+use crate::walk::DirEntry;
 
 /// Returns true if and only if this entry is considered to be hidden.
 ///

crates/ignore/src/types.rs

@@ -93,9 +93,9 @@ use globset::{GlobBuilder, GlobSet, GlobSetBuilder};
 use regex::Regex;
 use thread_local::ThreadLocal;
 
-use default_types::DEFAULT_TYPES;
+use crate::default_types::DEFAULT_TYPES;
-use pathutil::file_name;
+use crate::pathutil::file_name;
-use {Error, Match};
+use crate::{Error, Match};
 
 /// Glob represents a single glob in a set of file type definitions.
 ///

crates/ignore/src/walk.rs

@@ -13,11 +13,11 @@ use std::vec;
 use same_file::Handle;
 use walkdir::{self, WalkDir};
 
-use dir::{Ignore, IgnoreBuilder};
+use crate::dir::{Ignore, IgnoreBuilder};
-use gitignore::GitignoreBuilder;
+use crate::gitignore::GitignoreBuilder;
-use overrides::Override;
+use crate::overrides::Override;
-use types::Types;
+use crate::types::Types;
-use {Error, PartialErrorBuilder};
+use crate::{Error, PartialErrorBuilder};
 
 /// A directory entry with a possible error attached.
 ///
@@ -1852,7 +1852,7 @@ mod tests {
     use std::sync::{Arc, Mutex};
 
     use super::{DirEntry, WalkBuilder, WalkState};
-    use tests::TempDir;
+    use crate::tests::TempDir;
 
     fn wfile<P: AsRef<Path>>(path: P, contents: &str) {
         let mut file = File::create(path).unwrap();

crates/matcher/src/lib.rs

@@ -45,7 +45,7 @@ use std::io;
 use std::ops;
 use std::u64;
 
-use interpolate::interpolate;
+use crate::interpolate::interpolate;
 
 mod interpolate;
 

crates/matcher/tests/test_matcher.rs

@@ -1,7 +1,7 @@
 use grep_matcher::{Captures, Match, Matcher};
 use regex::bytes::Regex;
 
-use util::{RegexMatcher, RegexMatcherNoCaps};
+use crate::util::{RegexMatcher, RegexMatcherNoCaps};
 
 fn matcher(pattern: &str) -> RegexMatcher {
     RegexMatcher::new(Regex::new(pattern).unwrap())

crates/pcre2/src/lib.rs

@@ -8,8 +8,8 @@ An implementation of `grep-matcher`'s `Matcher` trait for
 extern crate grep_matcher;
 extern crate pcre2;
 
-pub use error::{Error, ErrorKind};
+pub use crate::error::{Error, ErrorKind};
-pub use matcher::{RegexCaptures, RegexMatcher, RegexMatcherBuilder};
+pub use crate::matcher::{RegexCaptures, RegexMatcher, RegexMatcherBuilder};
 pub use pcre2::{is_jit_available, version};
 
 mod error;

crates/pcre2/src/matcher.rs

@@ -3,7 +3,7 @@ use std::collections::HashMap;
 use grep_matcher::{Captures, Match, Matcher};
 use pcre2::bytes::{CaptureLocations, Regex, RegexBuilder};
 
-use error::Error;
+use crate::error::Error;
 
 /// A builder for configuring the compilation of a PCRE2 regex.
 #[derive(Clone, Debug)]

crates/printer/src/json.rs

@@ -8,10 +8,10 @@ use grep_searcher::{
 };
 use serde_json as json;
 
-use counter::CounterWriter;
+use crate::counter::CounterWriter;
-use jsont;
+use crate::jsont;
-use stats::Stats;
+use crate::stats::Stats;
-use util::find_iter_at_in_context;
+use crate::util::find_iter_at_in_context;
 
 /// The configuration for the JSON printer.
 ///

crates/printer/src/jsont.rs

@@ -13,7 +13,7 @@ use std::str;
 use base64;
 use serde::{Serialize, Serializer};
 
-use stats::Stats;
+use crate::stats::Stats;
 
 #[derive(Serialize)]
 #[serde(tag = "type", content = "data")]

crates/printer/src/lib.rs

@@ -84,13 +84,15 @@ extern crate serde_derive;
 extern crate serde_json;
 extern crate termcolor;
 
-pub use color::{default_color_specs, ColorError, ColorSpecs, UserColorSpec};
+pub use crate::color::{
+    default_color_specs, ColorError, ColorSpecs, UserColorSpec,
+};
 #[cfg(feature = "serde1")]
-pub use json::{JSONBuilder, JSONSink, JSON};
+pub use crate::json::{JSONBuilder, JSONSink, JSON};
-pub use standard::{Standard, StandardBuilder, StandardSink};
+pub use crate::standard::{Standard, StandardBuilder, StandardSink};
-pub use stats::Stats;
+pub use crate::stats::Stats;
-pub use summary::{Summary, SummaryBuilder, SummaryKind, SummarySink};
+pub use crate::summary::{Summary, SummaryBuilder, SummaryKind, SummarySink};
-pub use util::PrinterPath;
+pub use crate::util::PrinterPath;
 
 // The maximum number of bytes to execute a search to account for look-ahead.
 //

crates/printer/src/standard.rs

@@ -13,10 +13,10 @@ use grep_searcher::{
 };
 use termcolor::{ColorSpec, NoColor, WriteColor};
 
-use color::ColorSpecs;
+use crate::color::ColorSpecs;
-use counter::CounterWriter;
+use crate::counter::CounterWriter;
-use stats::Stats;
+use crate::stats::Stats;
-use util::{
+use crate::util::{
     find_iter_at_in_context, trim_ascii_prefix, trim_line_terminator,
     PrinterPath, Replacer, Sunk,
 };

crates/printer/src/stats.rs

@@ -1,7 +1,7 @@
 use std::ops::{Add, AddAssign};
 use std::time::Duration;
 
-use util::NiceDuration;
+use crate::util::NiceDuration;
 
 /// Summary statistics produced at the end of a search.
 ///

crates/printer/src/summary.rs

@@ -8,10 +8,10 @@ use grep_matcher::Matcher;
 use grep_searcher::{Searcher, Sink, SinkError, SinkFinish, SinkMatch};
 use termcolor::{ColorSpec, NoColor, WriteColor};
 
-use color::ColorSpecs;
+use crate::color::ColorSpecs;
-use counter::CounterWriter;
+use crate::counter::CounterWriter;
-use stats::Stats;
+use crate::stats::Stats;
-use util::{find_iter_at_in_context, PrinterPath};
+use crate::util::{find_iter_at_in_context, PrinterPath};
 
 /// The configuration for the summary printer.
 ///

crates/printer/src/util.rs

@@ -12,7 +12,7 @@ use grep_searcher::{
 #[cfg(feature = "serde1")]
 use serde::{Serialize, Serializer};
 
-use MAX_LOOK_AHEAD;
+use crate::MAX_LOOK_AHEAD;
 
 /// A type for handling replacements while amortizing allocation.
 pub struct Replacer<M: Matcher> {

crates/regex/src/config.rs

@@ -3,13 +3,13 @@ use regex::bytes::{Regex, RegexBuilder};
 use regex_syntax::ast::{self, Ast};
 use regex_syntax::hir::{self, Hir};
 
-use ast::AstAnalysis;
+use crate::ast::AstAnalysis;
-use crlf::crlfify;
+use crate::crlf::crlfify;
-use error::Error;
+use crate::error::Error;
-use literal::LiteralSets;
+use crate::literal::LiteralSets;
-use multi::alternation_literals;
+use crate::multi::alternation_literals;
-use non_matching::non_matching_bytes;
+use crate::non_matching::non_matching_bytes;
-use strip::strip_from_match;
+use crate::strip::strip_from_match;
 
 /// Config represents the configuration of a regex matcher in this crate.
 /// The configuration is itself a rough combination of the knobs found in

crates/regex/src/crlf.rs

@@ -4,9 +4,9 @@ use grep_matcher::{Match, Matcher, NoError};
 use regex::bytes::Regex;
 use regex_syntax::hir::{self, Hir, HirKind};
 
-use config::ConfiguredHIR;
+use crate::config::ConfiguredHIR;
-use error::Error;
+use crate::error::Error;
-use matcher::RegexCaptures;
+use crate::matcher::RegexCaptures;
 
 /// A matcher for implementing "word match" semantics.
 #[derive(Clone, Debug)]

crates/regex/src/error.rs

@@ -1,7 +1,7 @@
 use std::error;
 use std::fmt;
 
-use util;
+use crate::util;
 
 /// An error that can occur in this crate.
 ///

crates/regex/src/lib.rs

@@ -13,8 +13,8 @@ extern crate regex;
 extern crate regex_syntax;
 extern crate thread_local;
 
-pub use error::{Error, ErrorKind};
+pub use crate::error::{Error, ErrorKind};
-pub use matcher::{RegexCaptures, RegexMatcher, RegexMatcherBuilder};
+pub use crate::matcher::{RegexCaptures, RegexMatcher, RegexMatcherBuilder};
 
 mod ast;
 mod config;

crates/regex/src/literal.rs

@@ -9,7 +9,7 @@ use bstr::ByteSlice;
 use regex_syntax::hir::literal::{Literal, Literals};
 use regex_syntax::hir::{self, Hir, HirKind};
 
-use util;
+use crate::util;
 
 /// Represents prefix, suffix and inner "required" literals for a regular
 /// expression.

crates/regex/src/matcher.rs

@@ -5,11 +5,11 @@ use grep_matcher::{
 };
 use regex::bytes::{CaptureLocations, Regex};
 
-use config::{Config, ConfiguredHIR};
+use crate::config::{Config, ConfiguredHIR};
-use crlf::CRLFMatcher;
+use crate::crlf::CRLFMatcher;
-use error::Error;
+use crate::error::Error;
-use multi::MultiLiteralMatcher;
+use crate::multi::MultiLiteralMatcher;
-use word::WordMatcher;
+use crate::word::WordMatcher;
 
 /// A builder for constructing a `Matcher` using regular expressions.
 ///

crates/regex/src/multi.rs

@@ -2,8 +2,8 @@ use aho_corasick::{AhoCorasick, AhoCorasickBuilder, MatchKind};
 use grep_matcher::{Match, Matcher, NoError};
 use regex_syntax::hir::Hir;
 
-use error::Error;
+use crate::error::Error;
-use matcher::RegexCaptures;
+use crate::matcher::RegexCaptures;
 
 /// A matcher for an alternation of literals.
 ///

crates/regex/src/strip.rs

@@ -1,7 +1,7 @@
 use grep_matcher::LineTerminator;
 use regex_syntax::hir::{self, Hir, HirKind};
 
-use error::{Error, ErrorKind};
+use crate::error::{Error, ErrorKind};
 
 /// Return an HIR that is guaranteed to never match the given line terminator,
 /// if possible.
@@ -106,7 +106,7 @@ mod tests {
     use regex_syntax::Parser;
 
     use super::{strip_from_match, LineTerminator};
-    use error::Error;
+    use crate::error::Error;
 
     fn roundtrip(pattern: &str, byte: u8) -> String {
         roundtrip_line_term(pattern, LineTerminator::byte(byte)).unwrap()

crates/regex/src/word.rs

@@ -6,9 +6,9 @@ use grep_matcher::{Match, Matcher, NoError};
 use regex::bytes::{CaptureLocations, Regex};
 use thread_local::ThreadLocal;
 
-use config::ConfiguredHIR;
+use crate::config::ConfiguredHIR;
-use error::Error;
+use crate::error::Error;
-use matcher::RegexCaptures;
+use crate::matcher::RegexCaptures;
 
 /// A matcher for implementing "word match" semantics.
 #[derive(Debug)]
@@ -184,7 +184,7 @@ impl Matcher for WordMatcher {
 #[cfg(test)]
 mod tests {
     use super::WordMatcher;
-    use config::Config;
+    use crate::config::Config;
     use grep_matcher::{Captures, Match, Matcher};
 
     fn matcher(pattern: &str) -> WordMatcher {

crates/searcher/src/lib.rs

@@ -110,13 +110,13 @@ extern crate memmap;
 #[cfg(test)]
 extern crate regex;
 
-pub use lines::{LineIter, LineStep};
+pub use crate::lines::{LineIter, LineStep};
-pub use searcher::{
+pub use crate::searcher::{
     BinaryDetection, ConfigError, Encoding, MmapChoice, Searcher,
     SearcherBuilder,
 };
-pub use sink::sinks;
+pub use crate::sink::sinks;
-pub use sink::{
+pub use crate::sink::{
     Sink, SinkContext, SinkContextKind, SinkError, SinkFinish, SinkMatch,
 };
 

crates/searcher/src/searcher/core.rs

@@ -2,13 +2,13 @@ use std::cmp;
 
 use bstr::ByteSlice;
 
-use grep_matcher::{LineMatchKind, Matcher};
+use crate::line_buffer::BinaryDetection;
-use line_buffer::BinaryDetection;
+use crate::lines::{self, LineStep};
-use lines::{self, LineStep};
+use crate::searcher::{Config, Range, Searcher};
-use searcher::{Config, Range, Searcher};
+use crate::sink::{
-use sink::{
     Sink, SinkContext, SinkContextKind, SinkError, SinkFinish, SinkMatch,
 };
+use grep_matcher::{LineMatchKind, Matcher};
 
 #[derive(Debug)]
 pub struct Core<'s, M: 's, S> {

crates/searcher/src/searcher/glue.rs

@@ -1,13 +1,13 @@
 use std::cmp;
 use std::io;
 
+use crate::line_buffer::{LineBufferReader, DEFAULT_BUFFER_CAPACITY};
+use crate::lines::{self, LineStep};
+use crate::sink::{Sink, SinkError};
 use grep_matcher::Matcher;
-use line_buffer::{LineBufferReader, DEFAULT_BUFFER_CAPACITY};
-use lines::{self, LineStep};
-use sink::{Sink, SinkError};
 
-use searcher::core::Core;
+use crate::searcher::core::Core;
-use searcher::{Config, Range, Searcher};
+use crate::searcher::{Config, Range, Searcher};
 
 #[derive(Debug)]
 pub struct ReadByLine<'s, M: 's, R, S> {
@@ -349,8 +349,8 @@ impl<'s, M: Matcher, S: Sink> MultiLine<'s, M, S> {
 
 #[cfg(test)]
 mod tests {
-    use searcher::{BinaryDetection, SearcherBuilder};
+    use crate::searcher::{BinaryDetection, SearcherBuilder};
-    use testutil::{KitchenSink, RegexMatcher, SearcherTester};
+    use crate::testutil::{KitchenSink, RegexMatcher, SearcherTester};
 
     use super::*;
 
@@ -1488,8 +1488,8 @@ byte count:307
 
     #[test]
     fn scratch() {
-        use sinks;
+        use crate::sinks;
-        use testutil::RegexMatcher;
+        use crate::testutil::RegexMatcher;
 
         const SHERLOCK: &'static [u8] = b"\
 For the Doctor Wat\xFFsons of this world, as opposed to the Sherlock

crates/searcher/src/searcher/mod.rs

@@ -5,15 +5,15 @@ use std::fs::File;
 use std::io::{self, Read};
 use std::path::Path;
 
-use encoding_rs;
+use crate::line_buffer::{
-use encoding_rs_io::DecodeReaderBytesBuilder;
-use grep_matcher::{LineTerminator, Match, Matcher};
-use line_buffer::{
     self, alloc_error, BufferAllocation, LineBuffer, LineBufferBuilder,
     LineBufferReader, DEFAULT_BUFFER_CAPACITY,
 };
-use searcher::glue::{MultiLine, ReadByLine, SliceByLine};
+use crate::searcher::glue::{MultiLine, ReadByLine, SliceByLine};
-use sink::{Sink, SinkError};
+use crate::sink::{Sink, SinkError};
+use encoding_rs;
+use encoding_rs_io::DecodeReaderBytesBuilder;
+use grep_matcher::{LineTerminator, Match, Matcher};
 
 pub use self::mmap::MmapChoice;
 
@@ -990,7 +990,7 @@ fn slice_has_bom(slice: &[u8]) -> bool {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use testutil::{KitchenSink, RegexMatcher};
+    use crate::testutil::{KitchenSink, RegexMatcher};
 
     #[test]
     fn config_error_heap_limit() {

crates/searcher/src/sink.rs

@@ -4,8 +4,8 @@ use std::io;
 
 use grep_matcher::LineTerminator;
 
-use lines::LineIter;
+use crate::lines::LineIter;
-use searcher::{ConfigError, Searcher};
+use crate::searcher::{ConfigError, Searcher};
 
 /// A trait that describes errors that can be reported by searchers and
 /// implementations of `Sink`.
@@ -514,7 +514,7 @@ pub mod sinks {
     use std::str;
 
     use super::{Sink, SinkError, SinkMatch};
-    use searcher::Searcher;
+    use crate::searcher::Searcher;
 
     /// A sink that provides line numbers and matches as strings while ignoring
     /// everything else.

crates/searcher/src/testutil.rs

@@ -7,8 +7,8 @@ use grep_matcher::{
 };
 use regex::bytes::{Regex, RegexBuilder};
 
-use searcher::{BinaryDetection, Searcher, SearcherBuilder};
+use crate::searcher::{BinaryDetection, Searcher, SearcherBuilder};
-use sink::{Sink, SinkContext, SinkFinish, SinkMatch};
+use crate::sink::{Sink, SinkContext, SinkFinish, SinkMatch};
 
 /// A simple regex matcher.
 ///