forked from extern/nushell
49 lines
1.1 KiB
Rust
49 lines
1.1 KiB
Rust
use crate::commands::StaticCommand;
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use crate::errors::ShellError;
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use crate::prelude::*;
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pub struct SkipWhile;
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#[derive(Deserialize)]
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pub struct SkipWhileArgs {
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condition: value::Block,
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}
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impl StaticCommand for SkipWhile {
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fn name(&self) -> &str {
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"skip-while"
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}
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fn signature(&self) -> Signature {
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Signature::build("skip-while")
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.required("condition", SyntaxType::Block)
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.filter()
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}
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fn run(
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&self,
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args: CommandArgs,
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registry: &CommandRegistry,
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) -> Result<OutputStream, ShellError> {
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args.process(registry, skip_while)?.run()
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}
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}
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pub fn skip_while(
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SkipWhileArgs { condition }: SkipWhileArgs,
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RunnableContext { input, .. }: RunnableContext,
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) -> Result<OutputStream, ShellError> {
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let objects = input.values.skip_while(move |item| {
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let result = condition.invoke(&item);
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let return_value = match result {
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Ok(v) if v.is_true() => true,
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_ => false,
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};
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futures::future::ready(return_value)
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});
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Ok(objects.from_input_stream())
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}
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