Allow option to highlight operator as
as keyword
#487
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While
as
is functionally an operator, it is often highlighted as if it were a keyword. This change gives the user the option to linkrustOperatorKeyword
toKeyword
while preserving the current default behavior. This allows foras
to be highlighted like a keyword separately from other operators.The documentation lists
as
as a keyword and consistently highlights it as such.https://doc.rust-lang.org/std/index.html#keywords
https://doc.rust-lang.org/std/keyword.as.html