Struct FunctionType 

pub struct FunctionType {
    pub abi: CallConv,
    pub params: SmallVec<[Type; 4]>,
    pub results: SmallVec<[Type; 1]>,
}

This represents the type of a function, i.e. it’s parameters and results, and expected calling convention.

Function types are reference types, i.e. they are always implicitly a handle/pointer to a function, not a function value.

Fields

abi: CallConv

The calling convention/ABI of the function represented by this type

params: SmallVec<[Type; 4]>

The parameter types of this function

results: SmallVec<[Type; 1]>

The result types of this function

Implementations

impl FunctionType

pub fn new<P, R>(abi: CallConv, params: P, results: R) -> FunctionType

where P: IntoIterator<Item = Type>, R: IntoIterator<Item = Type>,

Create a new function type with the given calling/convention ABI

pub fn with_calling_convention(self, abi: CallConv) -> FunctionType

Set the calling convention/ABI for this function type

pub fn calling_convention(&self) -> CallConv

The calling convention/ABI represented by this function type

pub fn arity(&self) -> usize

The number of parameters expected by the function

pub fn params(&self) -> &[Type]

The types of the function parameters as a slice

pub fn results(&self) -> &[Type]

The types of the function results as a slice

Trait Implementations

impl Clone for FunctionType

fn clone(&self) -> FunctionType

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FunctionType

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Display for FunctionType

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl From<FunctionType> for Type

fn from(ty: FunctionType) -> Type

Converts to this type from the input type.

impl Hash for FunctionType

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for FunctionType

fn eq(&self, other: &FunctionType) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PrettyPrint for FunctionType

fn render(&self) -> Document

The core of the PrettyPrint functionality.

fn to_pretty_string(&self) -> String

Produce a String containing the results of pretty-printing this object.

fn pretty_print(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Pretty-print this object to the given core::fmt::Formatter.

impl Eq for FunctionType

impl StructuralPartialEq for FunctionType