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simplify error make (#5883)

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WindSoilder 2022-07-02 10:06:36 +08:00 committed by GitHub
parent 37949e70e0
commit 79da470239
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1 changed files with 12 additions and 36 deletions
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48
crates/nu-command/src/core_commands/error_make.rs
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@ -2,8 +2,7 @@ use nu_engine::CallExt;
use nu_protocol::ast::Call;
use nu_protocol::engine::{Command, EngineState, Stack};
use nu_protocol::{
Category, Example, IntoPipelineData, PipelineData, ShellError, Signature, Span, SyntaxShape,
Value,
Category, Example, PipelineData, ShellError, Signature, Span, SyntaxShape, Value,
};
#[derive(Clone)]
@ -16,7 +15,7 @@ impl Command for ErrorMake {
fn signature(&self) -> Signature {
Signature::build("error make")
.optional("error_struct", SyntaxShape::Record, "the error to create")
.required("error_struct", SyntaxShape::Record, "the error to create")
.category(Category::Core)
}
@ -33,43 +32,20 @@ impl Command for ErrorMake {
engine_state: &EngineState,
stack: &mut Stack,
call: &Call,
input: PipelineData,
_input: PipelineData,
) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
let span = call.head;
let ctrlc = engine_state.ctrlc.clone();
let arg: Option<Value> = call.opt(engine_state, stack, 0)?;
let arg: Value = call.req(engine_state, stack, 0)?;
if let Some(arg) = arg {
Ok(make_error(&arg, span)
.map(|err| Value::Error { error: err })
.unwrap_or_else(|| Value::Error {
error: ShellError::GenericError(
"Creating error value not supported.".into(),
"unsupported error format".into(),
Some(span),
None,
Vec::new(),
),
})
.into_pipeline_data())
} else {
input.map(
move |value| {
make_error(&value, span)
.map(|err| Value::Error { error: err })
.unwrap_or_else(|| Value::Error {
error: ShellError::GenericError(
"Creating error value not supported.".into(),
"unsupported error format".into(),
Some(span),
None,
Vec::new(),
),
})
},
ctrlc,
Err(make_error(&arg, span).unwrap_or_else(|| {
ShellError::GenericError(
"Creating error value not supported.".into(),
"unsupported error format".into(),
Some(span),
None,
Vec::new(),
)
}
}))
}
fn examples(&self) -> Vec<Example> {