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ZZParser -- a parser that accepts (and returns) an integer, one character at a time

Description

i1 : (ZZParser : charAnalyzer) "123456789"

o1 = 123456789
i2 : (ZZParser : charAnalyzer) "-123456789"

o2 = -123456789
i3 : class oo

o3 = ZZ

o3 : Ring

Code

../Parsing.m2:94:52-94:121: --source code:
Function % Parser := (fun,p) -> new Parser from ( c -> if (p' := p c) =!= null then if c === null then fun p' else fun % p' )
| symbol  class             value                               location of symbol
| ------  -----             -----                               ------------------       
| p       Parser            Parser[../Parsing.m2:121:7-127:84]  ../Parsing.m2:94:26-94:27
| fun     CompiledFunction  times                               ../Parsing.m2:94:22-94:25

See also

For the programmer

The object ZZParser is a parser.