pub fn new(parameters: ResultType, results: ResultType) -> Self {
        FunctionType {
            parameters,
            results,
        }
    }
/// Creates a new function signature with the given parameter and result types.
Creates a new function signature with the given parameter and result types.
Creates a new function signature with the given parameter and result types .
pub fn new(parameters: ResultType, results: ResultType) -> Self {
        FunctionType {
            parameters,
            results,
        }
    }
pub fn new ( parameters : ResultType , results : ResultType ) -> Self { FunctionType { parameters , results , } }
Creates a new function signature with the given parameter and result types.
Creates a new function signature with the given parameter and result types .
parameters
ResultType
results
ResultType
parameters
ResultType
results
ResultType