How to merge two maps with same key?

Terraform
2

Below code should do the trick.

locals {
	local = {
      		aks   = {
          		type = "aks"
        	}
     		 private_endpoints = {
          		type = "base"
        	}
    	}

	subnet_feature1 = {
      		aks = {
          		cidr = [
               			"10.2.1.0/27",
            		]
        	}
      		private_endpoints = {
          		cidr = [
              			"10.2.1.64/26",
            		]
        	}
    	}
}

output "calc_map" {
	value = {
		for i in keys(local.local) : i => { 
			cidr = local.subnet_feature1[i].cidr, 
			type = local.local[i].type
		} 
	}
}
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