forked from extern/nushell
24 lines
659 B
Rust
24 lines
659 B
Rust
use crate::errors::ShellError;
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use crate::object::Block;
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use crate::prelude::*;
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use futures::future::ready;
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use log::trace;
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command! {
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Where as where(args, condition: Block) {
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let input: InputStream = trace_stream!(target: "nu::trace_stream::where", "where input" = args.input);
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input.values.filter_map(move |item| {
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let result = condition.invoke(&item);
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let return_value = match result {
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Err(err) => Some(Err(err)),
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Ok(v) if v.is_true() => Some(Ok(ReturnSuccess::Value(item.clone()))),
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_ => None,
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};
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ready(return_value)
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})
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}
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}
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