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The Rust Programming Language Forum - Latest topics. Source:
Conditionally adding trait bounds based on feature flags
I currently have code that looks somewhat like this:
pub trait Bla {
#[clf(feature = "serde")]
type Ta: A + B + C + D + E + F + G + Serialize
#[clf(not(feature = "serde"))]
type Ta: A + B + C + D + E + F + G
#[clf(feature = "serde")]
type Ta_two: H + I + J + K + L + M + Serialize
#[clf(not(feature = "serde"))]
type Ta_two: H + I + J + K + L + M
fn func(x: Ta) -> usize;
...
}
Is there a better way of doing this?
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