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Add stepping to ranges & enable reverse ranges

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Follows the following syntax: <start>..<next-value>..<end>
This commit is contained in:
Jakub Žádník
2021-09-11 14:13:04 +03:00
parent 2d3a56f0d3
commit 4749776984
8 changed files with 207 additions and 102 deletions
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16
crates/nu-protocol/src/value/mod.rs
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@ -8,7 +8,7 @@ pub use stream::*;
use std::fmt::Debug;
use crate::ast::{PathMember, RangeInclusion};
use crate::ast::PathMember;
use crate::{span, BlockId, Span, Type};
use crate::ShellError;
@ -131,20 +131,10 @@ impl Value {
Value::Int { val, .. } => val.to_string(),
Value::Float { val, .. } => val.to_string(),
Value::Range { val, .. } => {
let vals: Vec<i64> = match (&val.from, &val.to) {
(Value::Int { val: from, .. }, Value::Int { val: to, .. }) => {
match val.inclusion {
RangeInclusion::Inclusive => (*from..=*to).collect(),
RangeInclusion::RightExclusive => (*from..*to).collect(),
}
}
_ => Vec::new(),
};
format!(
"range: [{}]",
vals.iter()
.map(|x| x.to_string())
val.into_iter()
.map(|x| x.into_string())
.collect::<Vec<String>>()
.join(", ")
)