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add some more division for units (#783)

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JT 2022-01-20 13:23:26 -05:00 committed by GitHub
parent 33ffb2c39a
commit 45b3592739
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3 changed files with 46 additions and 0 deletions
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2
crates/nu-parser/src/type_check.rs
View file

@ -115,6 +115,8 @@ pub fn math_result_type(
(Type::Float, Type::Int) => (Type::Float, None),
(Type::Int, Type::Float) => (Type::Float, None),
(Type::Float, Type::Float) => (Type::Float, None),
(Type::Filesize, Type::Filesize) => (Type::Float, None),
(Type::Duration, Type::Duration) => (Type::Float, None),
(Type::Unknown, _) => (Type::Unknown, None),
(_, Type::Unknown) => (Type::Unknown, None),

34
crates/nu-protocol/src/value/mod.rs
View file

@ -1110,6 +1110,40 @@ impl Value {
Err(ShellError::DivisionByZero(op))
}
}
(Value::Filesize { val: lhs, .. }, Value::Filesize { val: rhs, .. }) => {
if *rhs != 0 {
if lhs % rhs == 0 {
Ok(Value::Int {
val: lhs / rhs,
span,
})
} else {
Ok(Value::Float {
val: (*lhs as f64) / (*rhs as f64),
span,
})
}
} else {
Err(ShellError::DivisionByZero(op))
}
}
(Value::Duration { val: lhs, .. }, Value::Duration { val: rhs, .. }) => {
if *rhs != 0 {
if lhs % rhs == 0 {
Ok(Value::Int {
val: lhs / rhs,
span,
})
} else {
Ok(Value::Float {
val: (*lhs as f64) / (*rhs as f64),
span,
})
}
} else {
Err(ShellError::DivisionByZero(op))
}
}
(Value::CustomValue { val: lhs, span }, rhs) => {
lhs.operation(*span, Operator::Divide, op, rhs)
}

10
src/tests/test_engine.rs
View file

@ -148,3 +148,13 @@ fn proper_variable_captures_with_nesting() -> TestResult {
fn proper_variable_for() -> TestResult {
run_test(r#"for x in 1..3 { if $x == 2 { "bob" } } | get 1"#, "bob")
}
#[test]
fn divide_duration() -> TestResult {
run_test(r#"4ms / 4ms"#, "1")
}
#[test]
fn divide_filesize() -> TestResult {
run_test(r#"4mb / 4mb"#, "1")
}