Enum cargo_platform::CfgExpr

[−] Show declaration

pub enum CfgExpr {
    Not(Box<CfgExpr>),
    All(Vec<CfgExpr>),
    Any(Vec<CfgExpr>),
    Value(Cfg),
}

[−] Expand description

A cfg expression.

Variants

Not(Box<CfgExpr>)

All(Vec<CfgExpr>)

Any(Vec<CfgExpr>)

Value(Cfg)

Implementations

impl CfgExpr[−]

pub fn matches_key(key: &str, target_cfg: &[Cfg]) -> bool[−]

Utility function to check if the key, “cfg(..)” matches the target_cfg

pub fn matches(&self, cfg: &[Cfg]) -> bool

Trait Implementations

impl Clone for CfgExpr[+]

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fn clone(&self) -> CfgExpr[−]

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Debug for CfgExpr[+]

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

Formats the value using the given formatter.

impl Display for CfgExpr[+]

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

Formats the value using the given formatter.

impl Eq for CfgExpr

impl FromStr for CfgExpr[+]

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type Err = ParseError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<CfgExpr, Self::Err>[−]

Parses a string s to return a value of this type.

impl Hash for CfgExpr[+]

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fn hash<__H: Hasher>(&self, state: &mut __H)[−]

Feeds this value into the given Hasher.

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

Feeds a slice of this type into the given Hasher.

impl Ord for CfgExpr[+]

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fn cmp(&self, other: &CfgExpr) -> Ordering[−]

This method returns an Ordering between self and other.

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#[must_use]pub fn max(self, other: Self) -> Self[−]

Compares and returns the maximum of two values.

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#[must_use]pub fn min(self, other: Self) -> Self[−]

Compares and returns the minimum of two values.

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#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self[−]

Restrict a value to a certain interval.

impl PartialEq<CfgExpr> for CfgExpr[+]

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fn eq(&self, other: &CfgExpr) -> bool[−]

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &CfgExpr) -> bool[−]

This method tests for !=.

impl PartialOrd<CfgExpr> for CfgExpr[+]

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fn partial_cmp(&self, other: &CfgExpr) -> Option<Ordering>[−]

This method returns an ordering between self and other values if one exists.

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#[must_use]pub fn lt(&self, other: &Rhs) -> bool[−]

This method tests less than (for self and other) and is used by the < operator.

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#[must_use]pub fn le(&self, other: &Rhs) -> bool[−]

This method tests less than or equal to (for self and other) and is used by the <= operator.

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#[must_use]pub fn gt(&self, other: &Rhs) -> bool[−]

This method tests greater than (for self and other) and is used by the > operator.

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#[must_use]pub fn ge(&self, other: &Rhs) -> bool[−]

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralEq for CfgExpr

impl StructuralPartialEq for CfgExpr