Drop unnecessary num-traits

Author: kornelski

rmp-serde/tests/round.rs

@@ -508,6 +508,8 @@ use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
 
 #[test]
 fn roundtrip_tuples_arrays() {
+    assert_roundtrips(Some::<[u8; 0]>([]));
+    assert_roundtrips(Some(Some::<[u8; 0]>([])));
     assert_roundtrips((1i32,100,1000,10000,100000,1000000,10000000));
     assert_roundtrips((0u8,1u8,11u8,111u8,255u8));
     assert_roundtrips((0u8,1i8,11u16,111i32,255i64));

rmpv/Cargo.toml

@@ -18,7 +18,6 @@ with-serde = ["serde", "serde_bytes"]
 [dependencies]
 serde_bytes = { version = "0.11.5", optional = true }
 rmp = { version = "0.8.14", path = "../rmp" }
-num-traits = "0.2.14"
 serde = { version = "1.0.197", optional = true }
 
 [dev-dependencies]

rmpv/src/lib.rs

@@ -8,8 +8,6 @@ use std::iter::FromIterator;
 use std::ops::Index;
 use std::str::Utf8Error;
 
-use num_traits::NumCast;
-
 pub mod decode;
 pub mod encode;
 
@@ -73,7 +71,7 @@ impl Integer {
     #[must_use]
     pub fn as_i64(&self) -> Option<i64> {
         match self.n {
-            IntPriv::PosInt(n) => NumCast::from(n),
+            IntPriv::PosInt(n) => n.try_into().ok(),
             IntPriv::NegInt(n) => Some(n),
         }
     }
@@ -84,7 +82,7 @@ impl Integer {
     pub fn as_u64(&self) -> Option<u64> {
         match self.n {
             IntPriv::PosInt(n) => Some(n),
-            IntPriv::NegInt(n) => NumCast::from(n),
+            IntPriv::NegInt(n) => n.try_into().ok(),
         }
     }
 
@@ -93,8 +91,8 @@ impl Integer {
     #[must_use]
     pub fn as_f64(&self) -> Option<f64> {
         match self.n {
-            IntPriv::PosInt(n) => NumCast::from(n),
-            IntPriv::NegInt(n) => NumCast::from(n),
+            IntPriv::PosInt(n) => Some(n as _),
+            IntPriv::NegInt(n) => Some(n as _),
         }
     }
 }