Initial commit

src/write_base.rs

@@ -0,0 +1,18 @@
+use std::io::{Result, Write};
+
+#[inline]
+pub fn write_indent(indent: usize, write: &mut dyn Write) -> Result<()> {
+    write!(write, "{}", "  ".repeat(indent))
+}
+
+pub trait WriteLine {
+    fn write_line(&self, indent: usize, write: &mut dyn Write) -> Result<()>;
+}
+
+pub trait WriteString {
+    fn write_string(&self) -> String;
+}
+
+pub trait WriteOp {
+    fn write_operation(&self) -> String;
+}