# cc.journeyman.the-great-game.merchants.merchant-utils documentation

## Generated by Codox

# The-great-game 0.1.2-SNAPSHOT

# cc.journeyman.the-great-game.merchants.merchant-utils

Useful functions for doing low-level things with merchants.

### add-known-prices

`(add-known-prices merchant world)`

Add the current prices at this `merchant`’s location in the `world` to a new cache of known prices, and return it.

view source

### add-stock

`(add-stock a b)`

Where `a` and `b` are both maps all of whose values are numbers, return a map whose keys are a union of the keys of `a` and `b` and whose values are the sums of their respective values.

view source

### burden

`(burden merchant world)`

The total weight of the current cargo carried by this `merchant` in this `world`.

view source

### can-afford

`(can-afford merchant world commodity)`

Return the number of units of this `commodity` which this `merchant` can afford to buy in this `world`.

view source

### can-carry

`(can-carry merchant world commodity)`

Return the number of units of this `commodity` which this `merchant` can carry in this `world`, given their current burden.

view source

### expected-price

`(expected-price merchant commodity city)`

Find the price anticipated, given this `world`, by this `merchant` for this `commodity` in this `city`. If no information, assume 1. `merchant` should be passed as a map, `commodity` and `city` should be passed as keywords.

view source