Trait glib::value::ToValueOptional

pub trait ToValueOptional {
    fn to_value_optional(s: Option<&Self>) -> Value;
}

Trait to convert an Option to a Value for optional types.

Required methods

fn to_value_optional(s: Option<&Self>) -> Value

Convert an Option to a Value.

Implementations on Foreign Types

impl<T: ToValueOptional + StaticType + ?Sized> ToValueOptional for &T

fn to_value_optional(s: Option<&Self>) -> Value

impl ToValueOptional for str

fn to_value_optional(s: Option<&Self>) -> Value

impl ToValueOptional for String

fn to_value_optional(s: Option<&Self>) -> Value

Implementors

impl ToValueOptional for GString

impl ToValueOptional for BoxedValue

impl ToValueOptional for Context

impl ToValueOptional for Device

impl ToValueOptional for ImageSurface

impl ToValueOptional for RecordingSurface

impl ToValueOptional for Rectangle

impl ToValueOptional for RectangleInt

impl ToValueOptional for Region

impl ToValueOptional for Surface

impl ToValueOptional for XCBSurface

impl ToValueOptional for PdfSurface

impl ToValueOptional for PsSurface

impl ToValueOptional for SvgSurface

impl ToValueOptional for QuartzSurface

impl ToValueOptional for Win32Surface