aopt_core/opt/
style.rs

1/// Option style
2///
3#[non_exhaustive]
4#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
5#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
6pub enum Style {
7    Null,
8
9    /// The style indicate the `NOA` are set base on position.
10    Pos,
11
12    /// The style indicate the `NOA` are set in first position(`@1`).
13    Cmd,
14
15    /// The Main style `NOA` no need set, its callback will always be called.
16    Main,
17
18    /// The style indicate option don't need argument, such as `--boolean`, `-b` or with no prefix `b`.
19    /// Using it with [`Boolean`](https://docs.rs/aopt/latest/aopt/parser/enum.UserStyle.html#variant.Boolean).
20    Boolean,
21
22    /// The style indicate the option need an argument, such as `--int=42`, `-i 42` or `--str=foo`.
23    Argument,
24
25    /// The style indicate option support set multiple option in one string, such as `-ade` means set `-a`, `-d` and `-e`.
26    Combined,
27
28    /// The style indicate option don't need argument, such as `--boolean`, `-b` or with no prefix `b`.
29    /// Using it with [`Flag`](https://docs.rs/aopt/latest/aopt/parser/enum.UserStyle.html#variant.Flag).
30    Flag,
31}
32
33impl Default for Style {
34    fn default() -> Self {
35        Self::Null
36    }
37}
38
39impl std::fmt::Display for Style {
40    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
41        match self {
42            Style::Null => {
43                write!(f, "Style::Null")
44            }
45            Style::Pos => {
46                write!(f, "Style::Pos")
47            }
48            Style::Cmd => {
49                write!(f, "Style::Cmd")
50            }
51            Style::Main => {
52                write!(f, "Style::Main")
53            }
54            Style::Boolean => {
55                write!(f, "Style::Boolean")
56            }
57            Style::Argument => {
58                write!(f, "Style::Argument")
59            }
60            Style::Combined => {
61                write!(f, "Style::Combined")
62            }
63            Style::Flag => {
64                write!(f, "Style::Flag")
65            }
66        }
67    }
68}
aopt_core/opt/style.rs

aopt_core/opt/
style.rs
