scsys_config/types/
mode.rs

1/*
2    Appellation: mode <module>
3    Contrib: FL03 <jo3mccain@icloud.com>
4*/
5
6/// [Mode] enumerates the possible runtime modes of the application.
7#[derive(
8    Clone,
9    Copy,
10    Debug,
11    Default,
12    Eq,
13    Hash,
14    Ord,
15    PartialEq,
16    PartialOrd,
17    strum::AsRefStr,
18    strum::Display,
19    strum::EnumCount,
20    strum::EnumIs,
21    strum::EnumIter,
22    strum::EnumString,
23    strum::VariantArray,
24    strum::VariantNames,
25)]
26#[cfg_attr(feature = "clap", derive(clap::ValueEnum))]
27#[cfg_attr(
28    feature = "serde",
29    derive(serde::Deserialize, serde::Serialize),
30    serde(rename_all = "lowercase")
31)]
32#[strum(serialize_all = "lowercase")]
33pub enum Mode {
34    #[default]
35    #[cfg_attr(feature = "clap", clap(name = "debug"))]
36    #[cfg_attr(feature = "serde", serde(alias = "dev", alias = "development"))]
37    Debug,
38    #[cfg_attr(feature = "clap", clap(name = "release"))]
39    #[cfg_attr(feature = "serde", serde(alias = "prod", alias = "production"))]
40    Release,
41}
42
43impl Mode {
44    #[cfg(feature = "std")]
45    pub fn from_env() -> Self {
46        Self::from_env_with_varname("APP_MODE")
47    }
48    #[cfg(feature = "std")]
49    pub fn from_env_with_varname(var: &str) -> Self {
50        use core::str::FromStr;
51        std::env::var(var)
52            .map(|m| Self::from_str(&m).ok())
53            .ok()
54            .flatten()
55            .unwrap_or_default()
56    }
57
58    pub fn debug() -> Self {
59        Self::Debug
60    }
61
62    pub fn release() -> Self {
63        Self::Release
64    }
65}
scsys_config/types/mode.rs

scsys_config/types/
mode.rs
