Module parser 

Query parser and language utilities

Structs

SourcePosition

A reference to a line and column in an input source file

Span

Range of characters in the input source, starting at the character pointed by the start field and ending just before the end marker.

Spanning

Data structure used to wrap items into a Span.

Enums

LexerError

Error when tokenizing the input source

ParseError

Error while parsing a GraphQL query

ScalarToken

A single scalar value literal

Token

A single token in the input source