Fix cargo doc
warnings (#4794)
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//! # Implementation Details
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//!
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//! There are a bunch of common patterns for which this module has some confinence functions.
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//! - Whenever only one token can be next you should use the [`expected!`] macro. This macro
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//! - Whenever only one token can be next you should use the `expected!` macro. This macro
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//! ensures that the given token type is next and if not returns a parser error.
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//! - Whenever a limited set of tokens can be next it is common to match the token kind and then
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//! have a catch all arm which calles the macro [`unexpected!`]. This macro will raise an parse
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//! have a catch all arm which calles the macro `unexpected!`. This macro will raise an parse
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//! error with information about the type of token it recieves and what it expected.
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//! - If a single token can be optionally next use [`Parser::eat`] this function returns a bool
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//! depending on if the given tokenkind was eaten.
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//! - If a closing delimiting token is expected use [`Parser::expect_closing_delimiter`]. This
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//! - If a closing delimiting token is expected use `Parser::expect_closing_delimiter`. This
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//! function will raise an error if the expected delimiter isn't the next token. This error will
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//! also point to which delimiter the parser expected to be closed.
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//!
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//! ## Far Token Peek
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//!
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//! Occasionally the parser needs to check further ahead than peeking allows.
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//! This is done with the [`Parser::peek_token_at`] function. This function peeks a given number
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//! This is done with the `Parser::peek_token_at` function. This function peeks a given number
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//! of tokens further than normal up to 3 tokens further.
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//!
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//! ## WhiteSpace Tokens
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