Trait frunk_core::labelled::IntoValueLabelled [−][src]
A trait that strips type-level strings from the labels
Associated Types
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fn into_value_labelled(self) -> Self::Output
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Turns the current HList into a value-labelled one.
Effectively extracts the names and values held inside the individual Fields and puts them into ValueFields, which do not have type-level names.
Examples
use frunk::labelled::{ValueField, IntoValueLabelled}; use frunk::labelled::chars::*; let labelled_hlist = hlist![ field!((n, a, m, e), "joe"), field!((a, g, e), 3) ]; // Notice the lack of type-level names let value_labelled: Hlist![ValueField<&str>, ValueField<isize>] = labelled_hlist.into_value_labelled(); assert_eq!( value_labelled, hlist![ ValueField { name: "name", value: "joe", }, ValueField { name: "age", value: 3, }, ]);Run
Implementors
impl IntoValueLabelled for HNil
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type Output = HNil
fn into_value_labelled(self) -> Self::Output
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impl<Label, Value, Tail> IntoValueLabelled for HCons<Field<Label, Value>, Tail> where
Tail: IntoValueLabelled,
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Tail: IntoValueLabelled,