Assume i128 support

Author: cuviper

.github/workflows/ci.yaml

@@ -30,7 +30,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           target: thumbv6m-none-eabi
-      - run: cargo build --target thumbv6m-none-eabi --no-default-features --features i128
+      - run: cargo build --target thumbv6m-none-eabi --no-default-features
 
   fmt:
     name: Format

Cargo.toml

@@ -10,7 +10,6 @@ repository = "https://github.com/rust-num/num-integer"
 name = "num-integer"
 version = "0.1.45"
 readme = "README.md"
-build = "build.rs"
 exclude = ["/bors.toml", "/ci/*", "/.github/*"]
 edition = "2018"
 rust-version = "1.31"
@@ -21,11 +20,11 @@ features = ["std"]
 [dependencies.num-traits]
 version = "0.2.11"
 default-features = false
+features = ["i128"]
 
 [features]
 default = ["std"]
-i128 = ["num-traits/i128"]
 std = ["num-traits/std"]
 
-[build-dependencies]
-autocfg = "1"
+# vestigial features, now always in effect
+i128 = []

README.md

@@ -36,10 +36,6 @@ default-features = false
 There is no functional difference with and without `std` at this time, but
 there may be in the future.
 
-Implementations for `i128` and `u128` are only available with Rust 1.26 and
-later.  The build script automatically detects this, but you can make it
-mandatory by enabling the `i128` crate feature.
-
 ## Releases
 
 Release notes are available in [RELEASES.md](RELEASES.md).

build.rs

@@ -28,7 +28,6 @@ if ! check_version $MSRV ; then
 fi
 
 FEATURES=()
-check_version 1.26 && FEATURES+=(i128)
 echo "Testing supported features: ${FEATURES[*]}"
 
 set -x

ci/test_full.sh

@@ -826,9 +826,8 @@ impl_integer_for_isize!(i8, test_integer_i8);
 impl_integer_for_isize!(i16, test_integer_i16);
 impl_integer_for_isize!(i32, test_integer_i32);
 impl_integer_for_isize!(i64, test_integer_i64);
-impl_integer_for_isize!(isize, test_integer_isize);
-#[cfg(has_i128)]
 impl_integer_for_isize!(i128, test_integer_i128);
+impl_integer_for_isize!(isize, test_integer_isize);
 
 macro_rules! impl_integer_for_usize {
     ($T:ty, $test_mod:ident) => {
@@ -1052,9 +1051,8 @@ impl_integer_for_usize!(u8, test_integer_u8);
 impl_integer_for_usize!(u16, test_integer_u16);
 impl_integer_for_usize!(u32, test_integer_u32);
 impl_integer_for_usize!(u64, test_integer_u64);
-impl_integer_for_usize!(usize, test_integer_usize);
-#[cfg(has_i128)]
 impl_integer_for_usize!(u128, test_integer_u128);
+impl_integer_for_usize!(usize, test_integer_usize);
 
 /// An iterator over binomial coefficients.
 pub struct IterBinomial<T> {

src/lib.rs

@@ -165,7 +165,6 @@ signed_roots!(i8, u8);
 signed_roots!(i16, u16);
 signed_roots!(i32, u32);
 signed_roots!(i64, u64);
-#[cfg(has_i128)]
 signed_roots!(i128, u128);
 signed_roots!(isize, usize);
 
@@ -385,6 +384,5 @@ unsigned_roots!(u8);
 unsigned_roots!(u16);
 unsigned_roots!(u32);
 unsigned_roots!(u64);
-#[cfg(has_i128)]
 unsigned_roots!(u128);
 unsigned_roots!(usize);

src/roots.rs

@@ -92,6 +92,5 @@ test_average!(i8, u8);
 test_average!(i16, u16);
 test_average!(i32, u32);
 test_average!(i64, u64);
-#[cfg(has_i128)]
 test_average!(i128, u128);
 test_average!(isize, usize);

tests/average.rs

@@ -264,6 +264,5 @@ test_roots!(i8, u8);
 test_roots!(i16, u16);
 test_roots!(i32, u32);
 test_roots!(i64, u64);
-#[cfg(has_i128)]
 test_roots!(i128, u128);
 test_roots!(isize, usize);