Merge pull request #33 from AlexanderWillner/master

Suggestion: make each snippet compilable

.gitignore

@@ -0,0 +1,2 @@
+snippets
+

Makefile

@@ -0,0 +1,38 @@
+###############################################################################
+# Make file for the Easy Rust project.
+#
+# Author: Alexander Willner
+# License : MIT
+###############################################################################
+
+# Config
+SNIPPETS = snippets
+.PHONY: help 
+
+help: ## Print help for each target
+	$(info Rust Makefile)
+	$(info =============)
+	$(info )
+	$(info Consider to use 'cargo' for other targets.)
+	$(info )
+	$(info Available commands:)
+	$(info )
+	@grep '^[[:alnum:]_-]*:.* ##' $(MAKEFILE_LIST) \
+        | sort | awk 'BEGIN {FS=":.* ## "}; {printf "%-25s %s\n", $$1, $$2};'
+
+snippets: ## Create snippets
+	@type md2src >/dev/null 2>&1 || (echo "Run 'cargo install md2src' first." >&2 ; exit 1)
+	@mkdir -p $(SNIPPETS)
+	@md2src "README.md" "$(SNIPPETS)" -i "// This will fail"
+
+snippets-test: snippets ## Test snippets
+	@for snippet in $$(ls $(SNIPPETS)/*.rs); do \
+	    echo "File $$snippet:" ; \
+		rustc --out-dir "$(SNIPPETS)" $$snippet || exit 1; \
+	done
+
+feedback: ## Give feedback
+	@open https://github.com/Dhghomon/easy_rust/issues
+
+clean: ## Cleanup
+	@rm -rf "$(SNIPPETS)"

README.md

@@ -130,8 +130,7 @@ fn main() {
                          // so Rust chooses i32. Rust always
                          // chooses i32 for integers if you don't
                          // tell it to use a different type
-    println!("{}", my_number as char);
-
+    println!("{}", my_number as char); // This will fail
 }
 ```