Make strum an optional dependency.

To enable it, enable the "strum" feature flag.

2 files changed, 11 insertions, 6 deletions

diff --git a/Cargo.toml b/Cargo.toml
index a50c73d..247a523 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,13 +16,16 @@ readme = "README.md"
 default = ["precomputed_common_max_powers"]
 precomputed_max_powers = ["precomputed_common_max_powers"]
 precomputed_common_max_powers = []
+strum = ["dep:strum", "dep:strum_macros"]
 
 [dependencies]
 unicode-segmentation = "1.10.0"
-strum = "0.26.0"
-strum_macros = "0.26.0"
+strum = { version = "0.26.0", optional = true }
+strum_macros = { version = "0.26.0", optional = true }
 
 [dev-dependencies]
+strum = "0.26.0"
+strum_macros = "0.26.0"
 digest = "0.10.5"
 md4 = "0.10.2"
 md-5 = "0.10.5"
diff --git a/src/lib.rs b/src/lib.rs
index 5367cf5..5b8a0a2 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -158,7 +158,8 @@ impl<'a, T : HasherList> PasswordMaker<'a, T>{
 
 /// The leet level to use. The higher the value, the more obfuscated the results.
 #[cfg_attr(test, derive(strum_macros::EnumIter))]
-#[derive(Debug,Clone, Copy, strum_macros::EnumString, strum_macros::VariantNames)]
+#[cfg_attr(feature = "strum", derive(strum_macros::EnumString, strum_macros::VariantNames))]
+#[derive(Debug,Clone, Copy)]
 pub enum LeetLevel {
     /// First Leet level:\
     /// `["4", "b", "c", "d", "3", "f", "g", "h", "i", "j", "k", "1", "m", "n", "0", "p", "9", "r", "s", "7", "u", "v", "w", "x", "y", "z"]`
@@ -201,7 +202,8 @@ pub enum LeetLevel {
 /// to UTF-16 and the discarding of the upper bytes, in addition it disregards the user-supplied character set completely, and instead
 /// just outputs the hash encoded as hexadecimal numbers.
 /// The `HmacMd5Version06` is similarly ignoring the supplied characters and using hexadecimal numbers as output.
-#[derive(Debug,Clone, Copy, strum_macros::EnumString, strum_macros::VariantNames)]
+#[cfg_attr(feature = "strum", derive(strum_macros::EnumString, strum_macros::VariantNames))]
+#[derive(Debug,Clone, Copy)]
 pub enum HashAlgorithm {
     /// Regular Md4 PasswordMaker Pro setting.
     Md4,
@@ -236,8 +238,8 @@ pub enum HashAlgorithm {
 /// It is always applied to each password part when the required password length
 /// is longer than the length obtained by computing a single hash. This is important if the input data or output charset contains certain
 /// characters where the lower case representation depends on context (e.g. 'Σ').
-#[derive(Debug,Clone, Copy, strum_macros::EnumDiscriminants, strum_macros::VariantNames)]
-#[strum_discriminants(derive(strum_macros::EnumString))]
+#[cfg_attr(feature = "strum", derive(strum_macros::EnumDiscriminants, strum_macros::VariantNames), strum_discriminants(derive(strum_macros::EnumString)))]
+#[derive(Debug,Clone, Copy)]
 pub enum UseLeetWhenGenerating {
     /// Do not apply Leet on input or output.
     NotAtAll,