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Remove none for array.

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This commit is contained in:
Stephen Chung 2020-10-16 21:02:16 +08:00
parent 29374a8ce7
commit e62df6cbed
2 changed files with 0 additions and 36 deletions
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1
doc/src/language/arrays.md
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@ -54,7 +54,6 @@ The following methods (mostly defined in the [`BasicArrayPackage`][packages] but
| `reduce` | 1) [function pointer] to accumulator function (usually a [closure]),<br/>2) _(optional)_ [function pointer] to function (usually a [closure]) that provides the initial value | reduces the array into a single value via the accumulator function:<br/>1st parameter: accumulated value ([`()`] initially),<br/>2nd parameter: array item,<br/>3rd parameter: _(optional)_ offset index | | `reduce` | 1) [function pointer] to accumulator function (usually a [closure]),<br/>2) _(optional)_ [function pointer] to function (usually a [closure]) that provides the initial value | reduces the array into a single value via the accumulator function:<br/>1st parameter: accumulated value ([`()`] initially),<br/>2nd parameter: array item,<br/>3rd parameter: _(optional)_ offset index |
| `reduce_rev` | 1) [function pointer] to accumulator function (usually a [closure]),<br/>2) _(optional)_ [function pointer] to function (usually a [closure]) that provides the initial value | reduces the array (in reverse order) into a single value via the accumulator function:<br/>1st parameter: accumulated value ([`()`] initially),<br/>2nd parameter: array item,<br/>3rd parameter: _(optional)_ offset index | | `reduce_rev` | 1) [function pointer] to accumulator function (usually a [closure]),<br/>2) _(optional)_ [function pointer] to function (usually a [closure]) that provides the initial value | reduces the array (in reverse order) into a single value via the accumulator function:<br/>1st parameter: accumulated value ([`()`] initially),<br/>2nd parameter: array item,<br/>3rd parameter: _(optional)_ offset index |
| `some` | [function pointer] to predicate (usually a [closure]) | returns `true` if any item returns `true` when called with the predicate function:<br/>1st parameter: array item,<br/>2nd parameter: _(optional)_ offset index | | `some` | [function pointer] to predicate (usually a [closure]) | returns `true` if any item returns `true` when called with the predicate function:<br/>1st parameter: array item,<br/>2nd parameter: _(optional)_ offset index |
| `none` | [function pointer] to predicate (usually a [closure]) | returns `true` if no item returns `true` when called with the predicate function:<br/>1st parameter: array item,<br/>2nd parameter: _(optional)_ offset index |
| `all` | [function pointer] to predicate (usually a [closure]) | returns `true` if all items return `true` when called with the predicate function:<br/>1st parameter: array item,<br/>2nd parameter: _(optional)_ offset index | | `all` | [function pointer] to predicate (usually a [closure]) | returns `true` if all items return `true` when called with the predicate function:<br/>1st parameter: array item,<br/>2nd parameter: _(optional)_ offset index |
| `sort` | [function pointer] to a comparison function (usually a [closure]) | sorts the array with a comparison function:<br/>1st parameter: first item,<br/>2nd parameter: second item,<br/>return value: `INT` < 0 if first < second, > 0 if first > second, 0 if first == second | | `sort` | [function pointer] to a comparison function (usually a [closure]) | sorts the array with a comparison function:<br/>1st parameter: first item,<br/>2nd parameter: second item,<br/>return value: `INT` < 0 if first < second, > 0 if first > second, 0 if first == second |

35
src/packages/array_basic.rs
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@ -79,7 +79,6 @@ def_package!(crate:BasicArrayPackage:"Basic array utilities.", lib, {
lib.set_raw_fn("reduce_rev", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>(), TypeId::of::<FnPtr>()], reduce_rev_with_initial); lib.set_raw_fn("reduce_rev", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>(), TypeId::of::<FnPtr>()], reduce_rev_with_initial);
lib.set_raw_fn("some", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>()], some); lib.set_raw_fn("some", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>()], some);
lib.set_raw_fn("all", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>()], all); lib.set_raw_fn("all", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>()], all);
lib.set_raw_fn("none", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>()], none);
lib.set_raw_fn("sort", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>()], sort); lib.set_raw_fn("sort", &[TypeId::of::<Array>(), TypeId::of::<FnPtr>()], sort);
// Merge in the module at the end to override `+=` for arrays // Merge in the module at the end to override `+=` for arrays
@ -364,40 +363,6 @@ fn all(
Ok(true.into()) Ok(true.into())
} }
fn none(
engine: &Engine,
lib: &Module,
args: &mut [&mut Dynamic],
) -> Result<bool, Box<EvalAltResult>> {
let list = args[0].read_lock::<Array>().unwrap();
let filter = args[1].read_lock::<FnPtr>().unwrap();
for (i, item) in list.iter().enumerate() {
if filter
.call_dynamic(engine, lib, None, [item.clone()])
.or_else(|err| match *err {
EvalAltResult::ErrorFunctionNotFound(_, _) => {
filter.call_dynamic(engine, lib, None, [item.clone(), (i as INT).into()])
}
_ => Err(err),
})
.map_err(|err| {
Box::new(EvalAltResult::ErrorInFunctionCall(
"filter".to_string(),
err,
Position::none(),
))
})?
.as_bool()
.unwrap_or(false)
{
return Ok(false.into());
}
}
Ok(true.into())
}
fn reduce( fn reduce(
engine: &Engine, engine: &Engine,
lib: &Module, lib: &Module,