@ -454,9 +454,8 @@ fn run() -> Result<()> {
. help ( "When to use the pager" ) ,
. help ( "When to use the pager" ) ,
)
)
. arg (
. arg (
Arg ::with_name ( "list languages")
Arg ::with_name ( "list - languages")
. long ( "list-languages" )
. long ( "list-languages" )
. takes_value ( false )
. help ( "Displays supported languages" )
. help ( "Displays supported languages" )
)
)
. subcommand (
. subcommand (
@ -565,26 +564,17 @@ fn run() -> Result<()> {
)
)
} ) ? ;
} ) ? ;
if let Some ( _ ) = app_matches . values_of ( "list languages") {
if app_matches . is_present ( "list- languages") {
let languages = assets . syntax_set . syntaxes ( ) ;
let languages = assets . syntax_set . syntaxes ( ) ;
let longest = match languages . iter ( )
let longest = languages . iter ( )
. map ( | s | s . name . len ( ) )
. map ( | s | s . name . len ( ) )
. max ( ) {
. max ( )
Some ( length ) = > length ,
. unwrap_or ( 32 ) ; // Fallback width if they have no language definitions.
None = > 32 , // Fallback width if they have no language definitions.
} ;
for lang in languages {
for lang in languages {
print! ( "{:width$} | " , lang . name , width = longest ) ;
print! ( "{:width$} | " , lang . name , width = longest ) ;
for i in 0 .. lang . file_extensions . len ( ) {
println! ( "{}" , lang . file_extensions . join ( ", " ) ) ;
print! ( "{}" , lang . file_extensions [ i ] ) ;
if i < lang . file_extensions . len ( ) - 1 {
print! ( ", " ) ;
}
}
println! ( ) ;
}
}
return Ok ( ( ) ) ;
return Ok ( ( ) ) ;