Dave Jarvis' Repositories

Author	DaveJarvis <email>
Date	2022-11-27 10:59:30 GMT-0800
Commit	0a077eff8cc3d4c7a7e22d1e95b1cfc4ac6a966a
Parent	a5bf143
Delta	12 lines added, 2 lines removed, 10-line increase

src/main/java/com/keenwrite/sigils/RKeyOperator.java

		package com.keenwrite.sigils;

		+import com.keenwrite.collections.BoundedCache;
		+
		import java.util.function.UnaryOperator;


		private static final char KEY_SEPARATOR_R = '$';

		+ /** Minor optimization to avoid recreating an object. */
		private final StringBuilder mVarName = new StringBuilder( 128 );
		+
		+ /** Optimization to avoid re-converting variable names into R format. */
		+ private final BoundedCache<String, String> mVariables = new BoundedCache<>(
		+ 2048
		+ );

		/**

		assert !key.isBlank();

		- mVarName.setLength( 0 );
		+ return mVariables.computeIfAbsent( key, this::convert );
		+ }

		- //final var rVarName = new StringBuilder( key.length() + 3 );
		+ private String convert( final String key ) {
		+ mVarName.setLength( 0 );
		mVarName.append( "v" );
		mVarName.append( KEY_SEPARATOR_R );

Use bounded cache for converted R variable names