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Changes from_ssv_to_string_value to return an Option.

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This commit is contained in:
Thomas Hartmann 2019-10-14 07:37:34 +02:00
parent 20e891db6e
commit 63039666b0
1 changed files with 6 additions and 7 deletions
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13
src/commands/from_ssv.rs
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@ -37,12 +37,11 @@ fn from_ssv_string_to_value(
s: &str,
headerless: bool,
tag: impl Into<Tag>,
) -> Result<Tagged<Value>, &str> {
) -> Option<Tagged<Value>> {
let mut lines = s.lines();
let headers = lines
.next()
.expect("No content.")
.next()?
.split_whitespace()
.map(|s| s.to_owned())
.collect::<Vec<String>>();
@ -69,7 +68,7 @@ fn from_ssv_string_to_value(
})
.collect();
Ok(Tagged::from_item(Value::Table(rows), tag))
Some(Tagged::from_item(Value::Table(rows), tag))
}
fn from_ssv(
@ -101,13 +100,13 @@ fn from_ssv(
}
match from_ssv_string_to_value(&concat_string, headerless, name) {
Ok(x) => match x {
Some(x) => match x {
Tagged { item: Value::Table(list), ..} => {
for l in list { yield ReturnSuccess::value(l) }
}
x => yield ReturnSuccess::value(x)
},
Err(_) => if let Some(last_tag) = latest_tag {
None => if let Some(last_tag) = latest_tag {
yield Err(ShellError::labeled_error_with_secondary(
"Could not parse as SSV",
"input cannot be parsed ssv",
@ -115,7 +114,7 @@ fn from_ssv(
"value originates from here",
last_tag,
))
}
},
}
};