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Add send and sync constraints to boxed callbacks

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Otherwise the Sync constraint on Plugin cannot be satisfied.
This commit is contained in:
Robbert van der Helm 2022-01-25 22:45:58 +01:00
parent fba92cd333
commit 6d70e30584
1 changed files with 2 additions and 2 deletions
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4
nih_plug/src/params.rs
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@ -55,11 +55,11 @@ pub struct PlainParam<T> {
/// The parameter value's unit, added after `value_to_string` if that is set. /// The parameter value's unit, added after `value_to_string` if that is set.
pub unit: &'static str, pub unit: &'static str,
/// Optional custom conversion function from an **unnormalized** value to a string. /// Optional custom conversion function from an **unnormalized** value to a string.
pub value_to_string: Option<Box<dyn Fn(T) -> String>>, pub value_to_string: Option<Box<dyn Send + Sync + Fn(T) -> String>>,
/// Optional custom conversion function from a string to an **unnormalized** value. If the /// Optional custom conversion function from a string to an **unnormalized** value. If the
/// string cannot be parsed, then this should return a `None`. If this happens while the /// string cannot be parsed, then this should return a `None`. If this happens while the
/// parameter is being updated then the update will be canceled. /// parameter is being updated then the update will be canceled.
pub string_to_value: Option<Box<dyn Fn(&str) -> Option<T>>>, pub string_to_value: Option<Box<dyn Send + Sync + Fn(&str) -> Option<T>>>,
} }
macro_rules! impl_plainparam { macro_rules! impl_plainparam {