Trait starlark_dialect_build_targets::TryToOptional

pub trait TryToOptional<T> {
    fn try_to_optional(&self) -> Result<Option<T>, ValueError>;
}

Required methods

fn try_to_optional(&self) -> Result<Option<T>, ValueError>

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Implementations on Foreign Types

impl TryToOptional<u64> for Value

fn try_to_optional(&self) -> Result<Option<c_ulong>, ValueError>

impl TryToOptional<i64> for Value

fn try_to_optional(&self) -> Result<Option<i64>, ValueError>

impl TryToOptional<Vec<String, Global>> for Value

fn try_to_optional(&self) -> Result<Option<Vec<String>>, ValueError>

impl TryToOptional<Vec<Cow<'static, str>, Global>> for Value

fn try_to_optional(&self) -> Result<Option<Vec<Cow<'static, str>>>, ValueError>

impl TryToOptional<Vec<PathBuf, Global>> for Value

fn try_to_optional(&self) -> Result<Option<Vec<PathBuf>>, ValueError>

impl TryToOptional<HashMap<Cow<'static, str>, Cow<'static, str>, RandomState>> for Value

fn try_to_optional(
    &self
) -> Result<Option<HashMap<Cow<'static, str>, Cow<'static, str>>>, ValueError>

impl TryToOptional<HashMap<Cow<'static, str>, HashMap<Cow<'static, str>, Cow<'static, str>, RandomState>, RandomState>> for Value

fn try_to_optional(
    &self
) -> Result<Option<HashMap<Cow<'static, str>, HashMap<Cow<'static, str>, Cow<'static, str>>>>, ValueError>

impl TryToOptional<Vec<HashMap<Cow<'static, str>, Cow<'static, str>, RandomState>, Global>> for Value

fn try_to_optional(
    &self
) -> Result<Option<Vec<HashMap<Cow<'static, str>, Cow<'static, str>>>>, ValueError>

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Implementors

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