Struct StatusLine 

pub struct StatusLine {
    pub model: String,
    pub mode: String,
    pub cost_usd: f64,
    pub branch: Option<String>,
    pub cwd_short: Option<String>,
}

Data captured by the REPL and rendered as a one-line status strip.

All fields are owned strings so the renderer is pure and trivially testable without borrowing from the live session.

Fields

model: String

Model identifier (e.g. opus-4-7, qwen2.5-coder-7b).

mode: String

Permission-mode canonical identifier (default/plan/acceptEdits/bypassPermissions).

cost_usd: f64

Session cost in USD. Formatted to 2 decimal places in the output.

branch: Option<String>

Git branch, if the REPL is inside a repo.

cwd_short: Option<String>

Home-relative cwd display (e.g. ~/src/aprender).

Implementations

impl StatusLine

pub fn render(&self) -> String

Render as a single-line string using the Claude-Code column order: model | [mode] | $cost | branch | cwd.

Missing optional fields are elided (no empty cells).

pub fn build( model: impl Into<String>, mode: PermissionMode, cost_usd: f64, branch: Option<String>, cwd_short: Option<String>, ) -> Self

Build a StatusLine from the live session primitives.

Pure — caller passes in already-resolved values so this is trivially testable without touching git or the filesystem.

Trait Implementations

impl Clone for StatusLine

fn clone(&self) -> StatusLine

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StatusLine

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for StatusLine

fn eq(&self, other: &StatusLine) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for StatusLine