Struct FlagSpec 

pub struct FlagSpec {
    pub name: String,
    pub kind: &'static str,
    pub required: bool,
    pub values: Vec<String>,
}

One long-flagged argument, read from the clap grammar: its --name, value kind ("boolean" / "array" / "string", the docs/explain type vocabulary), whether clap requires it, and its enum values (empty when the value is free-form).

Fields

name: String

kind: &'static str

required: bool

values: Vec<String>