Module structs 

Structures that implement different methods on Parser trait

Structs

DisplayWith 🔒

An implementation detail for ParseFallback::format_fallback and ParseFallbackWith::format_fallback, to allow for custom fallback formatting.

ParseAdjacent

ParseCollect

Apply inner parser several times and collect results into FromIterator, created with collect, Implements catch

ParseCon

Create parser from a function, construct! uses it internally

ParseCount

Apply inner parser as many times as it succeeds while consuming something and return this number

ParseFail

Parser that fails without consuming any input, created with fail.

ParseFallback

Parser that substitutes missing value but not parse failure, created with fallback.

ParseFallbackWith

Parser that substitutes missing value with a function results but not parser failure, created with fallback_with.

ParseGroupHelp

Parser with attached message to several fields, created with group_help.

ParseGuard

Parser fails with a message if check returns false, created with guard.

ParseHide

Parser that returns results as usual but not shown in --help output, created with Parser::hide

ParseLast

Apply inner parser as many times as it succeeds while consuming something and return this number

ParseMany

Apply inner parser several times and collect results into Vec, created with many, implements catch.

ParseMap

Parser that transforms parsed value with a function, created with map.

ParseOptional

Apply inner parser, return a value in Some if items requested by it are all present, restore and return None if any are missing. Created with optional. Implements catch

ParseOrElse

Parser that tries to either of two parsers and uses one that succeeeds, created with Parser::or_else.

ParsePure

Parser that returns a given value without consuming anything, created with pure.

ParsePureWith

ParseSome

Apply inner parser several times and collect results into Vec, created with some, requires for at least one item to be available to succeed. Implements catch

ParseUsage

Parser that hides inner parser from usage line

ParseWith

Parser that transforms parsed value with a failing function, created with parse

ParseWithGroupHelp

Parser with attached message to several fields, created with group_help.

Functions

parse_option 🔒

try to parse

this_or_that_picks_first 🔒

Given two possible errors along with to sets of arguments produce a new error or an instruction to pick between two answers. Updates arguments state to match the results