Module stdlib 

Standard library functions for Sage.

This module provides runtime helper functions for the Sage standard library. Most stdlib functions are inlined during codegen, but some require runtime helpers for correct Unicode handling or complex logic.

Functions

parse_bool

Parse a boolean from a string. Accepts “true”, “false”, “1”, “0” (case-insensitive for true/false).

str_index_of

Find the index of a substring within a string (Unicode-aware). Returns None if not found, Some(index) otherwise.

str_pad_end

Pad a string at the end to reach the target length (Unicode-aware).

str_pad_start

Pad a string at the start to reach the target length (Unicode-aware).

str_slice

Extract a substring by character indices (Unicode-aware). Indices are inclusive start, exclusive end.