pub fn input_value_parse_fn(&self) -> Option<for<'b> fn(&'b InputValue<S>) -> bool> {
        match *self {
            MetaType::Scalar(ScalarMeta {
                ref try_parse_fn, ..
            })
            | MetaType::Enum(EnumMeta {
                ref try_parse_fn, ..
            })
            | MetaType::InputObject(InputObjectMeta {
                ref try_parse_fn, ..
            }) => Some(*try_parse_fn),
            _ => None,
        }
    }
/// Access the input value parse function, if applicable
///
/// An input value parse function is a function that takes an `InputValue` instance and returns
/// `true` if it can be parsed as the provided type.
///
/// Only scalars, enums, and input objects have parse functions.
Access the input value parse function, if applicable
An input value parse function is a function that takes an `InputValue` instance and returns
`true` if it can be parsed as the provided type.

Only scalars, enums, and input objects have parse functions.
Access the input value parse function if applicable An input value parse function is a function that takes an ` InputValue ` instance and returns ` true ` if it can be parsed as the provided type . Only scalars enums and input objects have parse functions .
pub fn input_value_parse_fn(&self) -> Option<for<'b> fn(&'b InputValue<S>) -> bool> {
        match *self {
            MetaType::Scalar(ScalarMeta {
                ref try_parse_fn, ..
            })
            | MetaType::Enum(EnumMeta {
                ref try_parse_fn, ..
            })
            | MetaType::InputObject(InputObjectMeta {
                ref try_parse_fn, ..
            }) => Some(*try_parse_fn),
            _ => None,
        }
    }
pub fn input_value_parse_fn ( & self ) -> Option < for < ' b > fn ( & ' b InputValue < S > ) -> bool > { match * self { MetaType :: Scalar ( ScalarMeta { ref try_parse_fn , .. } ) | MetaType :: Enum ( EnumMeta { ref try_parse_fn , .. } ) | MetaType :: InputObject ( InputObjectMeta { ref try_parse_fn , .. } ) => Some ( * try_parse_fn ) , _ => None , } }
Access the input value parse function, if applicable
An input value parse function is a function that takes an `InputValue` instance and returns
`true` if it can be parsed as the provided type.
Access the input value parse function if applicable An input value parse function is a function that takes an ` InputValue ` instance and returns ` true ` if it can be parsed as the provided type .
&self
&self