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Improve comparison errors (#4541)

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This commit is contained in:
JT
2022-02-18 17:11:27 -05:00
committed by GitHub
parent f085bd97f6
commit d53eaac7a1
3 changed files with 67 additions and 23 deletions
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52
crates/nu-command/src/filters/where_.rs
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@ -1,7 +1,9 @@
use nu_engine::{eval_block_with_redirect, CallExt};
use nu_protocol::ast::Call;
use nu_protocol::engine::{CaptureBlock, Command, EngineState, Stack};
use nu_protocol::{Category, Example, PipelineData, Signature, SyntaxShape};
use nu_protocol::{
Category, Example, IntoInterruptiblePipelineData, PipelineData, Signature, SyntaxShape, Value,
};
#[derive(Clone)]
pub struct Where;
@ -39,29 +41,35 @@ impl Command for Where {
let ctrlc = engine_state.ctrlc.clone();
let engine_state = engine_state.clone();
input
.filter(
move |value| {
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
stack.add_var(*var_id, value.clone());
Ok(input
.into_iter()
.filter_map(move |value| {
if let Some(var) = block.signature.get_positional(0) {
if let Some(var_id) = &var.var_id {
stack.add_var(*var_id, value.clone());
}
}
let result = eval_block_with_redirect(
&engine_state,
&mut stack,
&block,
PipelineData::new(span),
);
match result {
Ok(result) => {
let result = result.into_value(span);
if result.is_true() {
Some(value)
} else {
None
}
}
let result = eval_block_with_redirect(
&engine_state,
&mut stack,
&block,
PipelineData::new(span),
);
match result {
Ok(result) => result.into_value(span).is_true(),
_ => false,
}
},
ctrlc,
)
.map(|x| x.set_metadata(metadata))
Err(err) => Some(Value::Error { error: err }),
}
})
.into_pipeline_data(ctrlc))
.map(|x| x.set_metadata(metadata))
}
fn examples(&self) -> Vec<Example> {