specialFloatParser property
Parser for a special TOML floating point value.
special-float = [ minus / plus ] ( inf / nan )
inf = %x69.6e.66 ; inf
nan = %x6e.61.6e ; nan
Implementation
static final Parser<TomlFloat> specialFloatParser = (() {
var plus = char('+').map((_) => 1.0);
var minus = char('-').map((_) => -1.0);
var sign = ChoiceParser([plus, minus]).optionalWith(1.0);
var inf = string('inf').map((_) => double.infinity);
var nan = string('nan').map((_) => double.nan);
return (sign, ChoiceParser([inf, nan]))
.toSequenceParser()
.map((pair) => TomlFloat(pair.$1 * pair.$2));
})();