The expression <T>expr tells the type system to treat expr as type T, even though it might have been computed as a different type. This is called a type claim, because we’re claiming that expr is of type T. (We say “claim” instead of “assert”, which is an unrelated concept.)
The expression
<T>exprtells the type system to treatexpras typeT, even though it might have been computed as a different type. This is called a type claim, because we’re claiming thatexpris of typeT. (We say “claim” instead of “assert”, which is an unrelated concept.)