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remove duplicate code in math/log.rs (#15022)

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# Description
I have investigated all const commands and found that math log contains
some duplicate code, which can be eliminated by introducing a new helper
function. So this pr is going to do this


# User-Facing Changes
NaN

# Tests + Formatting
NaN

# After Submitting
NaN
This commit is contained in:
Wind 2025-02-06 21:00:25 +08:00 committed by GitHub
parent 0705fb9cd1
commit 3770a5eed1
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1 changed files with 25 additions and 38 deletions
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63
crates/nu-command/src/math/log.rs
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@ -1,4 +1,5 @@
use nu_engine::command_prelude::*;
use nu_protocol::Signals;
#[derive(Clone)]
pub struct SubCommand;
@ -45,26 +46,8 @@ impl Command for SubCommand {
call: &Call,
input: PipelineData,
) -> Result<PipelineData, ShellError> {
let head = call.head;
let base: Spanned<f64> = call.req(engine_state, stack, 0)?;
if base.item <= 0.0f64 {
return Err(ShellError::UnsupportedInput {
msg: "Base has to be greater 0".into(),
input: "value originates from here".into(),
msg_span: head,
input_span: base.span,
});
}
// This doesn't match explicit nulls
if matches!(input, PipelineData::Empty) {
return Err(ShellError::PipelineEmpty { dst_span: head });
}
let base = base.item;
input.map(
move |value| operate(value, head, base),
engine_state.signals(),
)
log(base, call.head, input, engine_state.signals())
}
fn run_const(
@ -73,26 +56,8 @@ impl Command for SubCommand {
call: &Call,
input: PipelineData,
) -> Result<PipelineData, ShellError> {
let head = call.head;
let base: Spanned<f64> = call.req_const(working_set, 0)?;
if base.item <= 0.0f64 {
return Err(ShellError::UnsupportedInput {
msg: "Base has to be greater 0".into(),
input: "value originates from here".into(),
msg_span: head,
input_span: base.span,
});
}
// This doesn't match explicit nulls
if matches!(input, PipelineData::Empty) {
return Err(ShellError::PipelineEmpty { dst_span: head });
}
let base = base.item;
input.map(
move |value| operate(value, head, base),
working_set.permanent().signals(),
)
log(base, call.head, input, working_set.permanent().signals())
}
fn examples(&self) -> Vec<Example> {
@ -118,6 +83,28 @@ impl Command for SubCommand {
}
}
fn log(
base: Spanned<f64>,
head: Span,
input: PipelineData,
signals: &Signals,
) -> Result<PipelineData, ShellError> {
if base.item <= 0.0f64 {
return Err(ShellError::UnsupportedInput {
msg: "Base has to be greater 0".into(),
input: "value originates from here".into(),
msg_span: head,
input_span: base.span,
});
}
// This doesn't match explicit nulls
if matches!(input, PipelineData::Empty) {
return Err(ShellError::PipelineEmpty { dst_span: head });
}
let base = base.item;
input.map(move |value| operate(value, head, base), signals)
}
fn operate(value: Value, head: Span, base: f64) -> Value {
let span = value.span();
match value {