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-rw-r--r--library/core/src/num/mod.rs8
1 files changed, 8 insertions, 0 deletions
diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs
index 050c187e555..33bcf93676b 100644
--- a/library/core/src/num/mod.rs
+++ b/library/core/src/num/mod.rs
@@ -348,6 +348,10 @@ $EndFeature, "
             pub const MAX: Self = !Self::MIN;
         }
 
+        /// The size of this integer type in bits.
+        #[unstable(feature = "int_bits_const", issue = "none")]
+        pub const BITS: u32 = $BITS;
+
         doc_comment! {
             concat!("Converts a string slice in a given base to an integer.
 
@@ -2601,6 +2605,10 @@ $EndFeature, "
             pub const MAX: Self = !0;
         }
 
+        /// The size of this integer type in bits.
+        #[unstable(feature = "int_bits_const", issue = "none")]
+        pub const BITS: u32 = $BITS;
+
         doc_comment! {
             concat!("Converts a string slice in a given base to an integer.