Clear and short go solution
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity: O(n)\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity: O(1)\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```golang []\nfunc canChange(start string, target string) bool {\n\tln := len(start)\n\tl, r := 0, 0\n\n\tfor r < ln || l < ln {\n\t\tif r < ln && target[r] == \'_\' {\n\t\t\tr++\n\t\t} else if l < ln && start[l] == \'_\' {\n\t\t\tl++\n\t\t} else if r == ln || l == ln || start[l] != target[r] || (target[r] == \'R\' && l > r) || (target[r] == \'L\' && r > l) {\n\t\t\treturn false\n\t\t} else {\n\t\t\tr++\n\t\t\tl++\n\t\t}\n\t}\n\n\treturn true\n}\n```
['Go']