chore: ordermap to indexmap

Cargo.toml

@@ -51,7 +51,7 @@ maintenance = {status = "actively-developed"}
 bitflags              = "1.0"
 unicode-width         = "0.1.4"
 textwrap              = "0.10.0"
-ordermap			  = "0.3.5"
+indexmap              = "1.0.1"
 strsim    = { version = "0.7.0",  optional = true }
 yaml-rust = { version = "0.3.5",  optional = true }
 clippy    = { version = "~0.0.166", optional = true }

src/args/arg_matcher.rs

@@ -4,7 +4,7 @@ use std::collections::HashMap;
 use std::mem;
 
 // Third Party
-use ordermap;
+use indexmap;
 
 // Internal
 use args::{Arg, ArgMatches, MatchedArg, SubCommand};
@@ -90,9 +90,9 @@ impl<'a> ArgMatcher<'a> {
 
     pub fn usage(&mut self, usage: String) { self.0.usage = Some(usage); }
 
-    pub fn arg_names(&'a self) -> ordermap::Keys<&'a str, MatchedArg> { self.0.args.keys() }
+    pub fn arg_names(&'a self) -> indexmap::map::Keys<&'a str, MatchedArg> { self.0.args.keys() }
 
-    pub fn entry(&mut self, arg: &'a str) -> ordermap::Entry<&'a str, MatchedArg> {
+    pub fn entry(&mut self, arg: &'a str) -> indexmap::map::Entry<&'a str, MatchedArg> {
         self.0.args.entry(arg)
     }
 
@@ -100,7 +100,7 @@ impl<'a> ArgMatcher<'a> {
 
     pub fn subcommand_name(&self) -> Option<&str> { self.0.subcommand_name() }
 
-    pub fn iter(&self) -> ordermap::Iter<&str, MatchedArg> { self.0.args.iter() }
+    pub fn iter(&self) -> indexmap::map::Iter<&str, MatchedArg> { self.0.args.iter() }
 
     pub fn inc_occurrence_of(&mut self, arg: &'a str) {
         debugln!("ArgMatcher::inc_occurrence_of: arg={}", arg);

src/args/arg_matches.rs

@@ -5,7 +5,7 @@ use std::iter::Map;
 use std::slice::Iter;
 
 // Third Party
-use ordermap::OrderMap;
+use indexmap::IndexMap;
 
 // Internal
 use INVALID_UTF8;
@@ -62,7 +62,7 @@ use args::SubCommand;
 #[derive(Debug, Clone)]
 pub struct ArgMatches<'a> {
     #[doc(hidden)]
-    pub args: OrderMap<&'a str, MatchedArg>,
+    pub args: IndexMap<&'a str, MatchedArg>,
     #[doc(hidden)]
     pub subcommand: Option<Box<SubCommand<'a>>>,
     #[doc(hidden)]
@@ -72,7 +72,7 @@ pub struct ArgMatches<'a> {
 impl<'a> Default for ArgMatches<'a> {
     fn default() -> Self {
         ArgMatches {
-            args: OrderMap::new(),
+            args: IndexMap::new(),
             subcommand: None,
             usage: None,
         }

src/lib.rs

@@ -536,7 +536,7 @@ extern crate ansi_term;
 extern crate atty;
 #[macro_use]
 extern crate bitflags;
-extern crate ordermap;
+extern crate indexmap;
 #[cfg(feature = "suggestions")]
 extern crate strsim;
 #[cfg(feature = "wrap_help")]