Function tryParse

tryParse<TToken, TOptions, TValue>(parser: Parser<TToken, TOptions, TValue>, tokens: TToken[], options: TOptions): TValue | undefined
Utility function that provides a bit cleaner interface for running a parser. Returns undefined in case parser did not match.

Note: this doesn't capture errors thrown during parsing. Nonmatch is considered a part or normal flow. Errors mean unrecoverable state and it's up to client code to decide where to throw errors and how to get back to safe state.

Returns
A matched value or undefined in case of nonmatch.
Type Parameters
- TToken
- TOptions
- TValue
Parameters
- parser: Parser<TToken, TOptions, TValue>
  
  A parser to run.
- tokens: TToken[]
  
  Input tokens.
- options: TOptions
  
  Parser options.
Returns TValue | undefined

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