literal_parser library Null safety

Classes

BooleanParser
Boolean Parser, it returns a FHIR Boolean value
DateParser
DateTimeParser
DecimalParser
DelimitedIdentifierParser
EnvVariableParser
This allows the passing of a variable from the environment into the evaluation.
IdentifierParser
IntegerParser
QuantityParser
StringParser
TimeParser
WhiteSpaceParser
This includes all input that should be ignored, this includes pure white space, along with comments, it simply returns whatever has been passed to it