forked from extern/nushell
33 lines
780 B
Rust
33 lines
780 B
Rust
use crate::errors::ShellError;
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use crate::prelude::*;
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pub fn skip(args: CommandArgs) -> Result<OutputStream, ShellError> {
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if args.positional.len() == 0 {
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return Err(ShellError::maybe_labeled_error(
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"Skip requires an amount",
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"needs parameter",
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args.name_span,
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));
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}
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let amount = args.positional[0].as_i64();
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let amount = match amount {
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Ok(o) => o,
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Err(_) => {
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return Err(ShellError::labeled_error(
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"Value is not a number",
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"expected integer",
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args.positional[0].span,
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))
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}
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};
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let input = args.input;
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Ok(input
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.skip(amount as u64)
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.map(|v| ReturnValue::Value(v))
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.boxed())
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}
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