write_int(): remove

src/fmt.rs

@@ -1,30 +0,0 @@
-use core::fmt;
-
-pub struct FmtWrapper<'a> {
-    buf: &'a mut [u8],
-    offset: usize,
-}
-
-impl<'a> FmtWrapper<'a> {
-    pub fn new(buf: &'a mut [u8]) -> Self {
-        FmtWrapper {
-            buf: buf,
-            offset: 0,
-        }
-    }
-
-    pub fn contents(&self) -> &[u8] {
-        &self.buf[..self.offset]
-    }
-}
-
-impl<'a> fmt::Write for FmtWrapper<'a> {
-    fn write_str(&mut self, s: &str) -> fmt::Result {
-        let bytes = s.as_bytes();
-        let remainder = &mut self.buf[self.offset..];
-        let remainder = &mut remainder[..bytes.len()];
-        remainder.copy_from_slice(bytes);
-        self.offset += bytes.len();
-        Ok(())
-    }
-}

src/lib.rs

@@ -1,6 +1,6 @@
-#![no_std]
+//#![no_std]
 
-use core::{fmt::Write, mem::size_of, str};
+use core::{mem::size_of, str};
 use byteorder::{ByteOrder, BigEndian};
 use serde::{Deserialize, Serialize};
 
@@ -8,8 +8,6 @@ mod error;
 pub use error::{Error, ReadError, WriteError};
 mod iter;
 use iter::Iter;
-mod fmt;
-use fmt::FmtWrapper;
 pub mod no_flash;
 mod test;
 
@@ -159,14 +157,6 @@ impl<B: StoreBackend> Store<B> {
         }
     }
 
-    /// serialize 32-bit as ASCII, store at `key`
-    pub fn write_int(&mut self, key: &str, value: u32) -> Result<(), Error<B::Error>> {
-        let mut buf = [0; 16];
-        let mut wrapper = FmtWrapper::new(&mut buf);
-        write!(&mut wrapper, "{}", value).unwrap();
-        self.write(key, wrapper.contents())
-    }
-
     /// encode with `postcard`, write at `key`
     pub fn write_value<T: Serialize>(&mut self, key: &str, value: T) -> Result<(), Error<B::Error>> {
         let mut buf = [0; 64];

src/test.rs

@@ -94,13 +94,6 @@ fn write_read_value_f64() {
     assert_eq!(store.read_value("foo"), Ok(Some(-1.999e-13f64)));
 }
 
-#[test]
-fn write_int_read_str() {
-    let mut store = make_store();
-    store.write_int("foo", 42).unwrap();
-    assert_eq!(store.read_str("foo").unwrap().unwrap(), "42");
-}
-
 #[test]
 fn write_many() {
     let mut store = make_store();