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Remove unnecessary main functions in doc examples. #35482

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Aug 12, 2016
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Remove unnecessary main functions in doc examples. #35482

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26 changes: 9 additions & 17 deletions src/libstd/ffi/c_str.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -99,11 +99,9 @@ pub struct CString {
///
/// extern { fn my_string() -> *const c_char; }
///
/// fn main() {
/// unsafe {
/// let slice = CStr::from_ptr(my_string());
/// println!("string length: {}", slice.to_bytes().len());
/// }
/// unsafe {
/// let slice = CStr::from_ptr(my_string());
/// println!("string length: {}", slice.to_bytes().len());
/// }
/// ```
///
Expand All @@ -119,10 +117,8 @@ pub struct CString {
/// unsafe { work_with(data.as_ptr()) }
/// }
///
/// fn main() {
/// let s = CString::new("data data data data").unwrap();
/// work(&s);
/// }
/// let s = CString::new("data data data data").unwrap();
/// work(&s);
/// ```
///
/// Converting a foreign C string into a Rust `String`
Expand All @@ -139,9 +135,7 @@ pub struct CString {
/// }
/// }
///
/// fn main() {
/// println!("string: {}", my_string_safe());
/// }
/// println!("string: {}", my_string_safe());
/// ```
#[derive(Hash)]
#[stable(feature = "rust1", since = "1.0.0")]
Expand Down Expand Up @@ -188,11 +182,9 @@ impl CString {
///
/// extern { fn puts(s: *const c_char); }
///
/// fn main() {
/// let to_print = CString::new("Hello!").unwrap();
/// unsafe {
/// puts(to_print.as_ptr());
/// }
/// let to_print = CString::new("Hello!").unwrap();
/// unsafe {
/// puts(to_print.as_ptr());
/// }
/// ```
///
Expand Down