37 lines
941 B
Rust
37 lines
941 B
Rust
use nu_protocol::ast::Call;
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use nu_protocol::engine::{Command, EvaluationContext};
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use nu_protocol::{PipelineData, Signature, SyntaxShape, Value};
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#[derive(Clone)]
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pub struct Def;
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impl Command for Def {
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fn name(&self) -> &str {
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"def"
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}
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fn usage(&self) -> &str {
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"Define a custom command"
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}
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fn signature(&self) -> nu_protocol::Signature {
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Signature::build("def")
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.required("def_name", SyntaxShape::String, "definition name")
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.required("params", SyntaxShape::Signature, "parameters")
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.required(
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"block",
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SyntaxShape::Block(Some(vec![])),
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"body of the definition",
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)
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}
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fn run(
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&self,
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_context: &EvaluationContext,
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call: &Call,
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_input: PipelineData,
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) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
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Ok(PipelineData::new())
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}
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}
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