refactor: Flatten directory heirarchy

src/build/arg/mod.rs → src/build/arg.rs

@@ -1,15 +1,3 @@
-mod arg_predicate;
-mod possible_value;
-mod settings;
-#[cfg(test)]
-mod tests;
-mod value_hint;
-
-pub use self::possible_value::PossibleValue;
-pub use self::settings::{ArgFlags, ArgSettings};
-pub use self::value_hint::ValueHint;
-pub(crate) use arg_predicate::ArgPredicate;
-
 // Std
 use std::{
     borrow::Cow,
@@ -27,17 +15,16 @@ use std::{env, ffi::OsString};
 use yaml_rust::Yaml;
 
 // Internal
-use crate::{
-    build::usage_parser::UsageParser,
-    util::{Id, Key},
-    INTERNAL_ERROR_MSG,
-};
-
-#[cfg(feature = "regex")]
-mod regex;
+use crate::build::usage_parser::UsageParser;
+use crate::build::ArgPredicate;
+use crate::util::{Id, Key};
+use crate::PossibleValue;
+use crate::ValueHint;
+use crate::INTERNAL_ERROR_MSG;
+use crate::{ArgFlags, ArgSettings};
 
 #[cfg(feature = "regex")]
-pub use self::regex::RegexRef;
+use crate::build::RegexRef;
 
 /// The abstract representation of a command line argument. Used to set all the options and
 /// relationships that define a valid argument for the program.

src/build/mod.rs

@@ -6,16 +6,31 @@ pub mod arg;
 
 mod app_settings;
 mod arg_group;
+mod arg_predicate;
+mod arg_settings;
+mod possible_value;
 mod usage_parser;
+mod value_hint;
+
+#[cfg(feature = "regex")]
+mod regex;
 
 #[cfg(debug_assertions)]
 mod debug_asserts;
 
 #[cfg(test)]
 mod app_tests;
+#[cfg(test)]
+mod arg_tests;
+
+pub use app::App;
+pub use app_settings::{AppFlags, AppSettings};
+pub use arg::Arg;
+pub use arg_group::ArgGroup;
+pub(crate) use arg_predicate::ArgPredicate;
+pub use arg_settings::{ArgFlags, ArgSettings};
+pub use possible_value::PossibleValue;
+pub use value_hint::ValueHint;
 
-pub use self::app::App;
-pub use self::app_settings::{AppFlags, AppSettings};
-pub use self::arg::{Arg, ArgFlags, ArgSettings, PossibleValue, ValueHint};
-pub use self::arg_group::ArgGroup;
-pub(crate) use arg::ArgPredicate;
+#[cfg(feature = "regex")]
+pub use self::regex::RegexRef;

src/lib.rs

@@ -65,7 +65,7 @@ mod macros;
 mod derive;
 
 #[cfg(feature = "regex")]
-pub use crate::build::arg::RegexRef;
+pub use crate::build::RegexRef;
 
 pub mod error;
 

src/parse/validator.rs

@@ -1,5 +1,5 @@
 // Internal
-use crate::build::{arg::PossibleValue, App, AppSettings as AS, Arg, ArgPredicate};
+use crate::build::{App, AppSettings as AS, Arg, ArgPredicate, PossibleValue};
 use crate::error::{Error, Result as ClapResult};
 use crate::output::Usage;
 use crate::parse::{ArgMatcher, MatchedArg, ParseState, Parser};