Trait type_cli::OptionalArg

pub trait OptionalArg: Sized {
    pub fn parse(arg: impl AsRef<str>, arg: ArgRef) -> Result<Self, Error>;
    pub fn default() -> Self;

    pub fn map_parse(
        val: Option<impl AsRef<str>>, 
        arg: ArgRef
    ) -> Result<Self, Error> { ... }
}

Required methods

pub fn parse(arg: impl AsRef<str>, arg: ArgRef) -> Result<Self, Error>

pub fn default() -> Self

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Provided methods

pub fn map_parse(
    val: Option<impl AsRef<str>>,
    arg: ArgRef
) -> Result<Self, Error>

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Implementations on Foreign Types

impl<T: Argument> OptionalArg for Option<T>

pub fn parse(val: impl AsRef<str>, arg: ArgRef) -> Result<Self, Error>

pub fn default() -> Self

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Implementors

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