generics.coverage

   LL|       |#![feature(coverage_attribute)]
   LL|       |//@ edition: 2021
   LL|       |//@ compile-flags: -Zcoverage-options=branch
   LL|       |//@ llvm-cov-flags: --show-branches=count
   LL|       |
   LL|      3|fn print_size<T>() {
   LL|      3|    if std::mem::size_of::<T>() > 4 {
  ------------------
  |  Branch (LL:8): [True: 0, False: 1]
  |  Branch (LL:8): [True: 0, False: 1]
  |  Branch (LL:8): [True: 1, False: 0]
  ------------------
   LL|      1|        println!("size > 4");
   LL|      2|    } else {
   LL|      2|        println!("size <= 4");
   LL|      2|    }
   LL|      3|}
  ------------------
  | generics::print_size::<()>:
  |   LL|      1|fn print_size<T>() {
  |   LL|      1|    if std::mem::size_of::<T>() > 4 {
  |  ------------------
  |  |  Branch (LL:8): [True: 0, False: 1]
  |  ------------------
  |   LL|      0|        println!("size > 4");
  |   LL|      1|    } else {
  |   LL|      1|        println!("size <= 4");
  |   LL|      1|    }
  |   LL|      1|}
  ------------------
  | generics::print_size::<u32>:
  |   LL|      1|fn print_size<T>() {
  |   LL|      1|    if std::mem::size_of::<T>() > 4 {
  |  ------------------
  |  |  Branch (LL:8): [True: 0, False: 1]
  |  ------------------
  |   LL|      0|        println!("size > 4");
  |   LL|      1|    } else {
  |   LL|      1|        println!("size <= 4");
  |   LL|      1|    }
  |   LL|      1|}
  ------------------
  | generics::print_size::<u64>:
  |   LL|      1|fn print_size<T>() {
  |   LL|      1|    if std::mem::size_of::<T>() > 4 {
  |  ------------------
  |  |  Branch (LL:8): [True: 1, False: 0]
  |  ------------------
  |   LL|      1|        println!("size > 4");
  |   LL|      1|    } else {
  |   LL|      0|        println!("size <= 4");
  |   LL|      0|    }
  |   LL|      1|}
  ------------------
   LL|       |
   LL|       |#[coverage(off)]
   LL|       |fn main() {
   LL|       |    print_size::<()>();
   LL|       |    print_size::<u32>();
   LL|       |    print_size::<u64>();
   LL|       |}