feat: add basic functionalities (#1)

Author: yuhr

.editorconfig

@@ -0,0 +1,13 @@
+root = true
+
+[*]
+indent_style = tab
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = false
+max_line_length = 100
+
+[*.yaml]
+indent_style = space
+indent_size = 2

.githooks/.gitignore

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+*
+
+!.git*
+!pre-commit

.githooks/pre-commit

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+#!/bin/sh
+
+for FILE in `git diff --cached --name-only`; do
+	if [ -f $FILE ]; then
+		case $FILE in
+			*.rs)
+				rustfmt --unstable-features --skip-children $FILE ;;
+		esac
+		perl -pi -e 'chomp if eof' $FILE
+		git add $FILE
+	fi
+done

.gitignore

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+.*
+target
+Cargo.lock
+
+!.git*
+!.vscode
+!.editorconfig

.vscode/settings.json

@@ -0,0 +1,18 @@
+{
+	"editor.formatOnSave": true,
+	"editor.codeActionsOnSave": { "source.fixAll.eslint": true },
+	"editor.defaultFormatter": "esbenp.prettier-vscode",
+	"files.removeFinalNewlines": true,
+	"[rust]": {
+		"editor.defaultFormatter": "rust-lang.rust-analyzer"
+	},
+	"[toml]": {
+		"editor.defaultFormatter": "tamasfe.even-better-toml"
+	},
+	"rust-analyzer.server.extraEnv": {
+		"CARGO_TARGET_DIR": "target/analyzer"
+	},
+	"rust-analyzer.check.extraArgs": [
+		"--target-dir=target/analyzer"
+	],
+}

Cargo.toml

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+[package]
+name = "internode"
+version = "0.0.0"
+license = "MPL-2.0"
+authors = ["Sʜɪᴍᴜʀᴀ Yū <mail@yuhr.org>"]
+description = "Smart references to your graph nodes."
+readme = "README.md"
+repository = "https://github.com/yuhr/internode"
+categories = ["data-structures", "rust-patterns"]
+keywords = ["graph", "tree"]
+exclude = [".*", "*.toml", "justfile"]
+edition = "2021"
+
+[lib]
+doctest = false
+
+[dependencies]
+genawaiter = { version = "0.99.1", default-features = false }