mica-std 0.5.0

The standard library of Mica, a simple, user-friendly, embeddable scripting language
Documentation 
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use mica_hl::TypeBuilder;

use super::{ref_self1, ref_self2};

pub(super) fn define(builder: TypeBuilder<f64>) -> TypeBuilder<f64> {
   builder
      // Constants
      .add_static("nan", || f64::NAN)
      .add_static("infinity", || f64::INFINITY)
      .add_static("epsilon", || f64::EPSILON)
      .add_static("e", || std::f64::consts::E)
      .add_static("pi", || std::f64::consts::PI)
      // Math stuff
      .add_function("floor", ref_self1(f64::floor))
      .add_function("ceil", ref_self1(f64::ceil))
      .add_function("round", ref_self1(f64::round))
      .add_function("trunc", ref_self1(f64::trunc))
      .add_function("fract", ref_self1(f64::fract))
      .add_function("abs", ref_self1(f64::abs))
      .add_function("signum", ref_self1(f64::signum))
      .add_function("div", ref_self2(f64::div_euclid))
      .add_function("mod", ref_self2(f64::rem_euclid))
      .add_function("pow", ref_self2(f64::powf))
      .add_function("sqrt", ref_self1(f64::sqrt))
      .add_function("exp", ref_self1(f64::exp))
      .add_function("exp2", ref_self1(f64::exp2))
      .add_function("ln", ref_self1(f64::ln))
      .add_function("log", ref_self2(f64::log))
      .add_function("log2", ref_self1(f64::log2))
      .add_function("log10", ref_self1(f64::log10))
      .add_function("cbrt", ref_self1(f64::cbrt))
      .add_function("hypot", ref_self2(f64::hypot))
      .add_function("sin", ref_self1(f64::sin))
      .add_function("cos", ref_self1(f64::cos))
      .add_function("tan", ref_self1(f64::tan))
      .add_function("asin", ref_self1(f64::asin))
      .add_function("acos", ref_self1(f64::acos))
      .add_function("atan", ref_self1(f64::atan))
      .add_function("atan", ref_self2(f64::atan2))
      .add_function("exp_m1", ref_self1(f64::exp_m1))
      .add_function("ln_1p", ref_self1(f64::ln_1p))
      .add_function("sinh", ref_self1(f64::sinh))
      .add_function("cosh", ref_self1(f64::cosh))
      .add_function("tanh", ref_self1(f64::tanh))
      .add_function("asinh", ref_self1(f64::asinh))
      .add_function("acosh", ref_self1(f64::acosh))
      .add_function("atanh", ref_self1(f64::atanh))
      .add_function("recip", ref_self1(f64::recip))
      .add_function("to_degrees", ref_self1(f64::to_degrees))
      .add_function("to_radians", ref_self1(f64::to_radians))
      .add_function("min", ref_self2(f64::min))
      .add_function("max", ref_self2(f64::max))
      // Float properties
      .add_function("is_nan", ref_self1(f64::is_nan))
      .add_function("is_finite", ref_self1(f64::is_finite))
      .add_function("is_infinite", ref_self1(f64::is_infinite))
      .add_function("is_subnormal", ref_self1(f64::is_subnormal))
      .add_function("is_sign_positive", ref_self1(f64::is_sign_positive))
      .add_function("is_sign_negative", ref_self1(f64::is_sign_negative))
      // Bit arithmetic
      .add_function("bnot", |x: &f64| !(*x as u32) as f64)
      .add_function("band", |x: &f64, y: f64| (*x as u32 & y as u32) as f64)
      .add_function("bor", |x: &f64, y: f64| (*x as u32 | y as u32) as f64)
      .add_function("bxor", |x: &f64, y: f64| (*x as u32 ^ y as u32) as f64)
      .add_function("shl", |x: &f64, y: f64| -> Result<_, ShiftOverflow> {
         Ok(((*x as u32).checked_shl(y as u32).ok_or(ShiftOverflow)?) as f64)
      })
      .add_function("shr", |x: &f64, y: f64| -> Result<_, ShiftOverflow> {
         Ok(((*x as u32).checked_shr(y as u32).ok_or(ShiftOverflow)?) as f64)
      })
      // Strings
      .add_static("parse", |s: String| -> Result<f64, _> { s.parse() })
      .add_function("to_string", |x: &f64| x.to_string())
      .add_function("to_debug", |x: &f64| x.to_string())
}

#[derive(Debug)]
struct ShiftOverflow;

impl std::fmt::Display for ShiftOverflow {
   fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
      f.write_str("left or right shift overflow")
   }
}

impl std::error::Error for ShiftOverflow {}