Refactor the inner logic of the crate to cleaner, faster and zero-copy code

Cargo.toml

@@ -1,35 +1,25 @@
 [package]
 name = "annotate-snippets"
-version = "0.6.1"
+version = "0.1.0"
+authors = ["Zibi Braniecki <[email protected]>"]
 edition = "2018"
-authors = ["Zibi Braniecki <[email protected]>"]
-description = "Library for building code annotations"
-license = "Apache-2.0/MIT"
-repository = "https://github.com/rust-lang/annotate-snippets-rs"
-readme = "README.md"
-keywords = ["code", "analysis", "ascii", "errors", "debug"]
 
-[badges]
-travis-ci = { repository = "rust-lang/annotate-snippets-rs", branch = "master" }
-coveralls = { repository = "rust-lang/annotate-snippets-rs", branch = "master", service = "github" }
-
-maintenance = { status = "actively-developed" }
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-ansi_term = { version = "^0.12", optional = true }
+ansi_term = { version = "0.12", optional = true }
+termcolor = { version = "1", optional = true }
 
 [dev-dependencies]
-glob = "^0.3"
-serde_yaml = "^0.8"
-serde = { version = "^1.0", features = ["derive"] }
-difference = "^2.0"
-ansi_term = "^0.12"
 criterion = "0.3"
 
-[[bench]]
-name = "simple"
-harness = false
-
 [features]
 default = []
 color = ["ansi_term"]
+color2 = ["termcolor"]
+unicode = []
+html = []
+
+[[bench]]
+name = "simple"
+harness = false