Standard library

The standard library is ordinary Dune loaded from .dn files. Each page below is generated from that module's source doc-comments.

• array — Generic helpers and higher-order pipelines for arrays.
• assert — Assertion helpers for tests.
• autograd — Scalar reverse-mode automatic differentiation.
• canvas — Deterministic SVG canvas and immediate-mode GUI widgets.
• cli — Command-line argument parsing and help output.
• collections — Shared collection utilities.
• csv — CSV parsing and numeric-matrix I/O.
• dict — A hash-map style dictionary built in Dune.
• display — The Display contract and show helper.
• fmt — String formatting with {} placeholders.
• fs — File-system access (read, write, list).
• io — Standard input/output: print, read a line, and flush streams.
• log — Levelled diagnostics with stderr output and filtering.
• math — Numeric constants and generic math functions.
• matrix — A small NumPy-style foundation: vectors and matrices.
• maybe — The optional Maybe<T> choice and helpers.
• outcome — The result-style Outcome<T, E> choice and helpers.
• plot — Deterministic SVG/HTML chart rendering.
• process — Process access: arguments and environment.
• random — A small deterministic pseudo-random generator.
• regex — Safe ASCII regular expressions for validation and text cleanup.
• runtime — Runtime helpers such as panic.
• set — A hash-set built in Dune.
• stats — Descriptive statistics, relationships, models, histograms, and probability helpers.
• text — Text and glyph helpers.