Struct cranelift_codegen::settings::Value

pub struct Value {
    pub name: &'static str,
    /* private fields */
}

Represents a setting value.

This is used for iterating values in Flags.

Fields

name: &'static str

The name of the setting associated with this value.

Implementations

impl Value

pub fn kind(&self) -> SettingKind

Gets the kind of setting.

Examples found in repository

src/settings.rs (line 119)

    pub fn value_string(&self) -> String {
        match self.kind() {
            SettingKind::Enum => self.as_enum().map(|b| b.to_string()),
            SettingKind::Num => self.as_num().map(|b| b.to_string()),
            SettingKind::Bool => self.as_bool().map(|b| b.to_string()),
            SettingKind::Preset => unreachable!(),
        }
        .unwrap()
    }

pub fn as_enum(&self) -> Option<&'static str>

Gets the enum value if the value is from an enum setting.

Examples found in repository

src/settings.rs (line 120)

    pub fn value_string(&self) -> String {
        match self.kind() {
            SettingKind::Enum => self.as_enum().map(|b| b.to_string()),
            SettingKind::Num => self.as_num().map(|b| b.to_string()),
            SettingKind::Bool => self.as_bool().map(|b| b.to_string()),
            SettingKind::Preset => unreachable!(),
        }
        .unwrap()
    }
}

impl fmt::Display for Value {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        if let Some(enum_variant) = self.as_enum() {
            write!(f, "{}={}", self.name, enum_variant)
        } else if let Some(num) = self.as_num() {
            write!(f, "{}={}", self.name, num)
        } else if let Some(b) = self.as_bool() {
            if b {
                write!(f, "{}=1", self.name)
            } else {
                write!(f, "{}=0", self.name)
            }
        } else {
            unreachable!()
        }
    }

pub fn as_num(&self) -> Option<u8>

Gets the numerical value if the value is from a num setting.

Examples found in repository

src/settings.rs (line 121)

    pub fn value_string(&self) -> String {
        match self.kind() {
            SettingKind::Enum => self.as_enum().map(|b| b.to_string()),
            SettingKind::Num => self.as_num().map(|b| b.to_string()),
            SettingKind::Bool => self.as_bool().map(|b| b.to_string()),
            SettingKind::Preset => unreachable!(),
        }
        .unwrap()
    }
}

impl fmt::Display for Value {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        if let Some(enum_variant) = self.as_enum() {
            write!(f, "{}={}", self.name, enum_variant)
        } else if let Some(num) = self.as_num() {
            write!(f, "{}={}", self.name, num)
        } else if let Some(b) = self.as_bool() {
            if b {
                write!(f, "{}=1", self.name)
            } else {
                write!(f, "{}=0", self.name)
            }
        } else {
            unreachable!()
        }
    }

pub fn as_bool(&self) -> Option<bool>

Gets the boolean value if the value is from a boolean setting.

Examples found in repository

src/settings.rs (line 122)

    pub fn value_string(&self) -> String {
        match self.kind() {
            SettingKind::Enum => self.as_enum().map(|b| b.to_string()),
            SettingKind::Num => self.as_num().map(|b| b.to_string()),
            SettingKind::Bool => self.as_bool().map(|b| b.to_string()),
            SettingKind::Preset => unreachable!(),
        }
        .unwrap()
    }
}

impl fmt::Display for Value {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        if let Some(enum_variant) = self.as_enum() {
            write!(f, "{}={}", self.name, enum_variant)
        } else if let Some(num) = self.as_num() {
            write!(f, "{}={}", self.name, num)
        } else if let Some(b) = self.as_bool() {
            if b {
                write!(f, "{}=1", self.name)
            } else {
                write!(f, "{}=0", self.name)
            }
        } else {
            unreachable!()
        }
    }

pub fn value_string(&self) -> String

Builds a string from the current value

Trait Implementations

impl Display for Value

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

Formats the value using the given formatter.