Add human_encoding feature

Author: ivanlele

Cargo.toml

@@ -16,6 +16,7 @@ default = ["elements"]
 elements = ["dep:elements", "bitcoin"]
 test-utils = ["simplicity-sys/test-utils"]
 serde = ["dep:serde", "bitcoin/serde", "elements/serde"]
+human_encoding = ["dep:logos"]
 
 [lib]
 name = "simplicity"
@@ -29,7 +30,7 @@ elements = { version = "0.25.0", optional = true, default-features = false }
 ghost-cell = { version = "0.2.6", default-features = false }
 hashes = { package = "bitcoin_hashes", version = "0.14" }
 hex = { package = "hex-conservative", version = "0.2.1" }
-logos = "0.15"
+logos = { version = "0.15", optional = true }
 simplicity-sys = { version = "0.6.2", path = "./simplicity-sys" }
 serde = { version = "1.0.103", features = ["derive"], optional = true }
 
@@ -40,6 +41,7 @@ getrandom = { version = "0.2", features = ["js"] }
 simplicity-sys = { version = "0.6.2", path = "./simplicity-sys", features = [
     "test-utils",
 ] }
+logos = "0.15"
 serde_json = "1.0.149"
 
 [workspace]

fuzz/Cargo.toml

@@ -16,7 +16,7 @@ path = "fuzz_lib/lib.rs"
 libfuzzer-sys = "0.4"
 # We shouldn't need an explicit version on the next line, but Andrew's tools
 # choke on it otherwise. See https://github.com/nix-community/crate2nix/issues/373
-simplicity-lang = { path = "..", features = ["test-utils"], version = "0.7.0" }
+simplicity-lang = { path = "..", features = ["test-utils", "human_encoding"], version = "0.7.0" }
 old_simplicity = { package = "simplicity-lang", version = "0.3.1", default-features = false }
 
 [dev-dependencies]

simpcli/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2018"
 
 [dependencies]
 # todo add lexopt for command line parsing
-simplicity-lang = { version = "0.7.0", path = "..", features = [ "base64", "serde", "elements" ] }
+simplicity-lang = { version = "0.7.0", path = "..", features = [ "base64", "serde", "elements", "human_encoding" ] }
 
 [[bin]]
 name = "simpcli"

src/lib.rs

@@ -90,6 +90,7 @@ mod analysis;
 mod bit_encoding;
 pub mod bit_machine;
 pub mod dag;
+#[cfg(any(feature = "human_encoding", test))]
 pub mod human_encoding;
 pub mod jet;
 mod merkle;