error[E0277]: the trait bound `T: GlUniformScalar` is not satisfied
  --> $DIR/assoc-const-as-fn.rs:14:6
   |
LL |     <T as GlUniformScalar>::FACTORY(1, value);
   |      ^ the trait `GlUniformScalar` is not implemented for `T`
   |
help: consider further restricting this bound
   |
LL | pub fn foo<T: UniformScalar + GlUniformScalar>(value: T) {
   |                             +++++++++++++++++

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0277`.