Rename: primitives/sr-std -> primitives/sp-std (#4327)

* primitives/sr-std -> primitives/std

* fix

* fix conflict

* rstd -> sp-std

* git mv

* fix review

* fix merge

substrate/primitives/sr-arithmetic/src/biguint.rs

@@ -17,7 +17,7 @@
 //! Infinite precision unsigned integer for substrate runtime.
 
 use num_traits::Zero;
-use rstd::{cmp::Ordering, ops, prelude::*, cell::RefCell, convert::TryFrom};
+use sp_std::{cmp::Ordering, ops, prelude::*, cell::RefCell, convert::TryFrom};
 
 // A sensible value for this would be half of the dword size of the host machine. Since the
 // runtime is compiled to 32bit webassembly, using 32 and 64 for single and double respectively
@@ -427,9 +427,9 @@ impl BigUint {
 	}
 }
 
-impl rstd::fmt::Debug for BigUint {
+impl sp_std::fmt::Debug for BigUint {
 	#[cfg(feature = "std")]
-	fn fmt(&self, f: &mut rstd::fmt::Formatter<'_>) -> rstd::fmt::Result {
+	fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
 		write!(
 			f,
 			"BigUint {{ {:?} ({:?})}}",
@@ -439,7 +439,7 @@ impl rstd::fmt::Debug for BigUint {
 	}
 
 	#[cfg(not(feature = "std"))]
-	fn fmt(&self, _: &mut rstd::fmt::Formatter<'_>) -> rstd::fmt::Result {
+	fn fmt(&self, _: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
 		Ok(())
 	}
 
@@ -646,7 +646,7 @@ pub mod tests {
 
 	#[test]
 	fn can_try_build_numbers_from_types() {
-		use rstd::convert::TryFrom;
+		use sp_std::convert::TryFrom;
 		assert_eq!(u64::try_from(with_limbs(1)).unwrap(), 1);
 		assert_eq!(u64::try_from(with_limbs(2)).unwrap(), u32::max_value() as u64 + 2);
 		assert_eq!(

substrate/primitives/sr-arithmetic/src/fixed64.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
-use rstd::{
+use sp_std::{
 	ops, prelude::*,
 	convert::{TryFrom, TryInto},
 };
@@ -179,14 +179,14 @@ impl CheckedDiv for Fixed64 {
 	}
 }
 
-impl rstd::fmt::Debug for Fixed64 {
+impl sp_std::fmt::Debug for Fixed64 {
 	#[cfg(feature = "std")]
-	fn fmt(&self, f: &mut rstd::fmt::Formatter) -> rstd::fmt::Result {
+	fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
 		write!(f, "Fixed64({},{})", self.0 / DIV, (self.0 % DIV) / 1000)
 	}
 
 	#[cfg(not(feature = "std"))]
-	fn fmt(&self, _: &mut rstd::fmt::Formatter) -> rstd::fmt::Result {
+	fn fmt(&self, _: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
 		Ok(())
 	}
 }

substrate/primitives/sr-arithmetic/src/helpers_128bit.rs

@@ -21,7 +21,7 @@
 
 use crate::biguint;
 use num_traits::Zero;
-use rstd::{cmp::{min, max}, convert::TryInto, mem};
+use sp_std::{cmp::{min, max}, convert::TryInto, mem};
 
 /// Helper gcd function used in Rational128 implementation.
 pub fn gcd(a: u128, b: u128) -> u128 {

substrate/primitives/sr-arithmetic/src/per_things.rs

@@ -17,7 +17,7 @@
 #[cfg(feature = "std")]
 use serde::{Serialize, Deserialize};
 
-use rstd::{ops, prelude::*, convert::TryInto};
+use sp_std::{ops, prelude::*, convert::TryInto};
 use codec::{Encode, Decode, CompactAs};
 use crate::traits::{SaturatedConversion, UniqueSaturatedInto, Saturating};
 use sp_debug_derive::RuntimeDebug;

substrate/primitives/sr-arithmetic/src/rational128.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
-use rstd::{cmp::Ordering, prelude::*};
+use sp_std::{cmp::Ordering, prelude::*};
 use crate::helpers_128bit;
 use num_traits::Zero;
 use sp_debug_derive::RuntimeDebug;

substrate/primitives/sr-arithmetic/src/traits.rs

@@ -16,14 +16,14 @@
 
 //! Primitives for the runtime modules.
 
-use rstd::{self, convert::{TryFrom, TryInto}};
+use sp_std::{self, convert::{TryFrom, TryInto}};
 use codec::HasCompact;
 pub use integer_sqrt::IntegerSquareRoot;
 pub use num_traits::{
 	Zero, One, Bounded, CheckedAdd, CheckedSub, CheckedMul, CheckedDiv,
 	CheckedShl, CheckedShr
 };
-use rstd::ops::{
+use sp_std::ops::{
 	Add, Sub, Mul, Div, Rem, AddAssign, SubAssign, MulAssign, DivAssign,
 	RemAssign, Shl, Shr
 };