Initializing help system before first use

hmnew

Purpose
Create a new hashmap.
Synopsis
XPRMhashmap hmnew(XPRMcontext ctx,unsigned int minsize,int flags);
Arguments
ctx 
Mosel's execution context
minsize 
Initial size of the hash table ( 0 for default size)
flags 
Reserved for future use (should be 0)
Return value
A reference to the newly created hashmap or NULL in case of error.
Further information
1. This function creates a hashmap from the current context of execution. This datastructure makes it possible to record <key,value> pairs and retrieve efficiently the value associated to a given key.
2. Hashmaps and their associated datastructures are allocated using the memory management routines of the running model, as a consequence, hashmaps are automatically released when the model is reset. During the execution of the model it is however possible to release a map using function hmdel
Related topics
hmset, hmget, hmdel, hmdump.

Parent Topic Miscellaneous

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