Again this relates entirely to what you are familiar with.
I used to feel the same way until I realized that declaring names and types in the same definition forced multi-line signatures much faster. Some might argue that keeping names and types separate is actually more concise - similar to how header and row information in a table interact, The spec focuses on typing while the function header focuses on naming - sacrificing easy parameter name/type correlation for focus.
The first approach declares a function type while the second approach types the parameters and the return value - producing a function type as a side effect. (Sometimes “preferences” can get in the way - accept whats there and move on).