Struct EnvParser 

pub struct EnvParser { /* private fields */ }

Type-safe environment variable parser.

Collects errors during parsing so all issues can be reported at once.

Implementations

impl EnvParser

pub fn new() -> Self

Create a new parser with the RCH_ prefix.

pub fn errors(&self) -> &[EnvError]

Get all accumulated errors.

pub fn has_errors(&self) -> bool

Check if any errors occurred.

pub fn take_errors(&mut self) -> Vec<EnvError>

Take ownership of errors.

pub fn get_string(&mut self, name: &str, default: &str) -> Sourced<String>

Get a string value with default.

pub fn get_bool(&mut self, name: &str, default: bool) -> Sourced<bool>

Get a boolean value with default.

Accepts: 1, true, yes, on (for true) 0, false, no, off, “” (for false)

pub fn get_u32_range( &mut self, name: &str, default: u32, min: u32, max: u32, ) -> Sourced<u32>

Get a u32 value with default and range validation.

pub fn get_u64_range( &mut self, name: &str, default: u64, min: u64, max: u64, ) -> Sourced<u64>

Get a u64 value with default and range validation.

pub fn get_i32_range( &mut self, name: &str, default: i32, min: i32, max: i32, ) -> Sourced<i32>

Get an i32 value with default and range validation.

pub fn get_f64_range( &mut self, name: &str, default: f64, min: f64, max: f64, ) -> Sourced<f64>

Get a f64 value with default and range validation.

pub fn get_path( &mut self, name: &str, default: &str, must_exist: bool, ) -> Sourced<PathBuf>

Get a path value with ~ expansion.

If must_exist is true, records an error if the path doesn’t exist.

pub fn get_log_level(&mut self, name: &str, default: &str) -> Sourced<String>

Get a log level value with validation.

pub fn get_string_list( &mut self, name: &str, default: Vec<String>, ) -> Sourced<Vec<String>>

Get a comma-separated list of strings.

pub fn get_optional_string(&mut self, name: &str) -> Sourced<Option<String>>

Get an optional string (None if not set or empty).

Trait Implementations

impl Default for EnvParser

fn default() -> Self

Returns the “default value” for a type.