jeff/expressive
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'LinuxHeki-main'

Browse Source
This commit is contained in:
Sebastian Schmidt 2023-05-27 11:06:11 +03:00
commit 34ba87f122
4 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
README.md
View File

@ -388,6 +388,7 @@ Symmetrically, the `EmptyContextWithBuiltinFunctions` has builtin functions enab
| `math::sqrt` | 1 | Numeric | Returns the square root of a number. Returns NaN for a negative number |
| `math::cbrt` | 1 | Numeric | Returns the cube root of a number |
| `math::hypot` | 2 | Numeric | Calculates the length of the hypotenuse of a right-angle triangle given legs of length given by the two arguments |
| `math::abs` | 1 | Numeric | Returns the absolute value of a number, returning an integer if the argument was an integer, and a float otherwise |
| `str::regex_matches` | 2 | String, String | Returns true if the first argument matches the regex in the second argument (Requires `regex_support` feature flag) |
| `str::regex_replace` | 3 | String, String, String | Returns the first argument with all matches of the regex in the second argument replaced by the third argument (Requires `regex_support` feature flag) |
| `str::to_lowercase` | 1 | String | Returns the lower-case version of the string |

6
src/function/builtin.rs
View File

@ -87,6 +87,12 @@ pub fn builtin_function(identifier: &str) -> Option<Function> {
"math::is_finite" => float_is(FloatType::is_finite),
"math::is_infinite" => float_is(FloatType::is_infinite),
"math::is_normal" => float_is(FloatType::is_normal),
// Absolute
"math::abs" => Some(Function::new(|argument| match argument {
Value::Float(num) => Ok(Value::Float(num.abs())),
Value::Int(num) => Ok(Value::Int(num.abs())),
_ => Err(EvalexprError::expected_number(argument.clone())),
})),
// Other
"typeof" => Some(Function::new(move |argument| {
Ok(match argument {

1
src/lib.rs
View File

@ -371,6 +371,7 @@
//! | `math::sqrt` | 1 | Numeric | Returns the square root of a number. Returns NaN for a negative number |
//! | `math::cbrt` | 1 | Numeric | Returns the cube root of a number |
//! | `math::hypot` | 2 | Numeric | Calculates the length of the hypotenuse of a right-angle triangle given legs of length given by the two arguments |
//! | `math::abs` | 1 | Numeric | Returns the absolute value of a number, returning an integer if the argument was an integer, and a float otherwise |
//! | `str::regex_matches` | 2 | String, String | Returns true if the first argument matches the regex in the second argument (Requires `regex_support` feature flag) |
//! | `str::regex_replace` | 3 | String, String, String | Returns the first argument with all matches of the regex in the second argument replaced by the third argument (Requires `regex_support` feature flag) |
//! | `str::to_lowercase` | 1 | String | Returns the lower-case version of the string |

5
tests/integration.rs
View File

@ -384,6 +384,11 @@ fn test_builtin_functions() {
assert_eq!(eval("math::is_infinite(1.0/0.0)"), Ok(Value::Boolean(true)));
assert_eq!(eval("math::is_normal(1.0/0.0)"), Ok(Value::Boolean(false)));
assert_eq!(eval("math::is_normal(0)"), Ok(Value::Boolean(false)));
// Absolute
assert_eq!(eval("math::abs(15.4)"), Ok(Value::Float(15.4)));
assert_eq!(eval("math::abs(-15.4)"), Ok(Value::Float(15.4)));
assert_eq!(eval("math::abs(15)"), Ok(Value::Int(15)));
assert_eq!(eval("math::abs(-15)"), Ok(Value::Int(15)));
// Other
assert_eq!(eval("typeof(4.0, 3)"), Ok(Value::String("tuple".into())));
assert_eq!(eval("typeof(4.0)"), Ok(Value::String("float".into())));