deps: bump estring to v0.2.0

Closes #35

Cargo.lock

@@ -11,6 +11,6 @@ dependencies = [
 
 [[package]]
 name = "estring"
-version = "0.1.2"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72ea7e904ef7cb950eee02f9332b6a5c24c33bebeca6c027651b04f6c20658d9"
+checksum = "515fc26a9876dfa25822d8cc040c6e4497ff9f5be96f101ee136d6ece160d2cc"

Cargo.toml

@@ -5,12 +5,10 @@ authors = ["Dmitriy Pleshevskiy <dmitriy@ideascup.me>"]
 description = "it helps you work with environment variables and convert it to any type using only type annotations"
 categories = ["config"]
 keywords = ["env", "environment"]
-edition = "2018"
+edition = "2021"
 license = "MIT"
 repository = "https://github.com/pleshevskiy/enve"
-
+rust-version = "1.59.0"
-[package.metadata]
-msrv = "1.51.0"
 
 # https://docs.rs/about
 [package.metadata.docs.rs]
@@ -20,17 +18,21 @@ all-features = true
 
 [features]
 default = []
-number = ["estring/number"]
+low-level = ["estring/low-level"]
-bool  = ["estring/bool"]
+structs = ["estring/structs"]
-vec = ["estring/vec"]
+
+# deprecated
+number = []
+bool  = []
+vec = ["structs"]
 
 [dependencies]
-estring = "0.1"
+estring = "0.2"
 
 [badges]
 maintenance = { status = "actively-developed" }
 
 [[example]]
 name = "calc"
-required-features = ["number", "vec"]
+required-features = ["structs"]
 

src/core.rs

@@ -1,6 +1,5 @@
 use crate::error::Error;
-use estring::EString;
+use estring::{EString, ParseFragment, ToEString};
-use std::convert::TryFrom;
 
 /// Fetches the environment variable `key` from the current process. It set value `default`
 /// if environment variable `key` ins'n set. Then this function tries to parse ``EString`` to
@@ -28,10 +27,10 @@ use std::convert::TryFrom;
 #[allow(clippy::needless_pass_by_value)]
 pub fn get_or_set_default<R>(env_name: &str, default: R) -> Result<R, Error>
 where
-    R: TryFrom<EString> + std::fmt::Display,
+    R: ParseFragment + ToEString,
 {
     get::<R>(env_name).or_else(|err| match err {
-        Error::NotPresent => sset(env_name, &default).parse().map_err(Error::from),
+        Error::NotPresent => sset(env_name, default).parse().map_err(Error::from),
         _ => Err(err),
     })
 }
@@ -63,7 +62,7 @@ where
 /// ```
 pub fn get<R>(key: &str) -> Result<R, Error>
 where
-    R: TryFrom<EString>,
+    R: ParseFragment,
 {
     sget(key).and_then(|v| v.parse().map_err(Error::from))
 }
@@ -108,18 +107,20 @@ pub fn sget(key: &str) -> Result<EString, Error> {
 /// let estr = enve::sset("KEY", "10");
 /// assert_eq!(estr.to_string(), String::from("10"));
 /// ```
+#[allow(clippy::needless_pass_by_value)]
 pub fn sset<V>(key: &str, value: V) -> EString
 where
-    V: std::fmt::Display,
+    V: ToEString,
 {
-    let val = value.to_string();
+    let es = value.to_estring();
-    std::env::set_var(key, &val);
+    std::env::set_var(key, &*es);
-    val.into()
+    es
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::estr::{CommaVec, SemiVec, SepVec};
 
     struct TestCase<const N: u8>;
 
@@ -171,10 +172,6 @@ mod tests {
         };
     }
 
-    #[cfg(feature = "number")]
-    mod numbers {
-        use super::*;
-
     #[test]
     fn should_return_parsed_num() {
         let en = TestCase::<4>.to_string();
@@ -191,7 +188,7 @@ mod tests {
         std::env::set_var(&en, "-10");
         match get::<u32>(&en) {
             Err(Error::Parse(orig)) => {
-                    assert_eq!(orig, String::from("-10"));
+                assert_eq!(orig, EString::from("-10"));
             }
             _ => unreachable!(),
         };
@@ -209,11 +206,6 @@ mod tests {
             _ => unreachable!(),
         };
     }
-    }
-
-    #[cfg(feature = "bool")]
-    mod boolean {
-        use super::*;
 
     #[test]
     fn should_parse_bool_variable() {
@@ -230,23 +222,17 @@ mod tests {
             ("f", false),
             ("0", false),
         ];
-            for (val, expected) in &test_cases {
+        for (val, expected) in test_cases {
             let mut en = en.clone();
             en.push_str(val.as_ref());
 
             std::env::set_var(&en, val);
             match get::<bool>(&en) {
-                    Ok(res) => assert_eq!(res, *expected),
+                Ok(res) => assert_eq!(res, expected),
                 _ => unreachable!(),
             };
         }
     }
-    }
-
-    #[cfg(feature = "vec")]
-    mod vector {
-        use super::*;
-        use crate::estr::{CommaVec, SemiVec, SepVec};
 
     #[test]
     fn should_return_var_as_vector() {
@@ -298,7 +284,7 @@ mod tests {
         std::env::set_var(&en, "1,2,3,4,5");
         match get::<SepVec<i32, '+'>>(&en) {
             Err(Error::Parse(orig)) => {
-                    assert_eq!(orig, String::from("1,2,3,4,5"));
+                assert_eq!(orig, EString::from("1,2,3,4,5"));
             }
             _ => unreachable!(),
         };
@@ -316,5 +302,4 @@ mod tests {
             _ => unreachable!(),
         };
     }
-    }
 }

src/error.rs

@@ -3,6 +3,8 @@ use std::error;
 use std::ffi::OsString;
 use std::fmt;
 
+use estring::EString;
+
 /// The error type for operations interacting with environment variables
 #[derive(Debug)]
 pub enum Error {
@@ -10,7 +12,7 @@ pub enum Error {
     NotPresent,
 
     /// Failed to parse the specified environment variable.
-    Parse(String),
+    Parse(EString),
 
     /// The specified environment variable was found, but it did not contain
     /// valid unicode data. The found data is returned as a payload of this
@@ -45,8 +47,8 @@ impl From<VarError> for Error {
     }
 }
 
-impl From<estring::ParseError> for Error {
+impl From<estring::Error> for Error {
-    fn from(err: estring::ParseError) -> Self {
+    fn from(err: estring::Error) -> Self {
-        Error::Parse(err.clone())
+        Error::Parse(err.0)
     }
 }

src/estr.rs

@@ -1,6 +1,8 @@
-#[cfg(feature = "vec")]
+#[cfg(feature = "structs")]
-mod vec;
+mod structs;
-#[cfg(feature = "vec")]
+#[cfg(feature = "structs")]
-pub use vec::{CommaVec, SemiVec};
+pub use structs::{CommaVec, SemiVec};
 
-pub use estring::core::*;
+pub use estring::core::EString;
+pub use estring::low::*;
+pub use estring::structs::*;

src/lib.rs

@@ -62,3 +62,5 @@ mod estr;
 pub use crate::core::{get, get_or_set_default, sget, sset};
 pub use error::Error;
 pub use estr::*;
+
+pub use estring;